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K18 Hair Dupes

Last updated on May 01, 2024

Welcome to our complete breakdown of the top 50 K18 Hair dupes and alternatives that we've found.

If you're searching for dupes of a specific K18 Hair product, you can use our Dupe Finder to search for them!

We use hundreds of science-backed factors to find you the best dupes.
Learn more about our dupe methodology

Our Roundup

Here's a quick roundup of our findings. Continue reading for the full breakdown!

The Unscented Company Daily Shampoo
Most Similar Ingredients

The Unscented Company's Daily Shampoo is the dupe with the most similar ingredients. Our matching methodology puts it at an 59% ingredient match to K18 Hair's PEPTIDE PREP™ pH Maintenance Shampoo!

Kérastase Discipline Smoothing Hair Mask for Frizzy Hair
Most Often Compared

Our community frequently compares this product with Kérastase's Discipline Smoothing Hair Mask for Frizzy Hair. Our matching algorithm puts it at an 62% overall match to K18 Hair's PEPTIDE PREP™ pH Maintenance Shampoo!

Amika Soulfood Nourishing Mask
Most Liked

Of all of the dupes for this product, Amika's Soulfood Nourishing Mask is the most liked by our community. Our matching algorithm puts it at an 60% overall match with K18 Hair's PEPTIDE PREP™ pH Maintenance Shampoo!

Dupe #1

The Unscented Company Daily Shampoo

72% match

with the ingredients and function of K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

85% Attribute Match
59% Ingredient Match

Dupe Explained

These products are both vegan shampoos that contain. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #2

The Unscented Company Daily Shampoo

70% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

74% Attribute Match
58% Ingredient Match

Dupe Explained

These products are both shampoos that contain. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Don't miss the latest dupes
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Dupe #3

Apoteket Schampo

69% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

85% Attribute Match
54% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or silicones. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #4

Davines Volu Shampoo

65% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

67% Attribute Match
51% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 11 ingredients in common.

They both do not contain any oils, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Price Comparison

Davines Volu Shampoo
Price Unknown
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K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #5

Olaplex No. 4P Blonde Enhancing Toning Shampoo

65% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

77% Attribute Match
47% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 9 ingredients in common.

They both do not contain any harsh alcohols, oils, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Price Comparison

Olaplex No. 4P Blonde Enhancing Toning Shampoo
Starts at $25.95
Check Prices
K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

This dupe is $10.05 less expensive than the original product. Nice find!

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #6

L'Oreal Pre-Shampoo Bond Repair Treatment

64% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

62% Attribute Match
55% Ingredient Match

Dupe Explained

These products are both hair masks that contain. They've got a total of 11 ingredients in common.

They both do not contain any oils, parabens, silicones or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for dry skin, brightening skin and scar healing.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #7

Änglamark Shampoo Kids

64% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

69% Attribute Match
50% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 7 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or silicones.

They're both likely to be good for dry skin and brightening skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #8

L'Oreal Pre-Shampoo Bond Repair Treatment

64% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

62% Attribute Match
55% Ingredient Match

Dupe Explained

These products are both hair masks that contain. They've got a total of 11 ingredients in common.

They both do not contain any oils, parabens, silicones or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for dry skin, brightening skin and scar healing.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #9

Shu Uemura Urban Moisture Deep Hydration Treatment Mask for Dry Hair

64% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

85% Attribute Match
43% Ingredient Match

Dupe Explained

These products are both hair masks that contain Vitamin E. They've got a total of 10 ingredients in common.

They both do not contain any sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #10

Garnier Fructis Sleek & Shine Moroccan Sleek Smoothing Oil

64% match

with the ingredients and function of K18 Hair Molecular Repair Hair Oil

90% Attribute Match
41% Ingredient Match

Dupe Explained

These products are both cruelty-free hair oils that contain Vitamin E. They've got a total of 7 ingredients in common.

They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and oils.

They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.

Both products are also reef safe.

Price Comparison

Garnier Fructis Sleek & Shine Moroccan Sleek Smoothing Oil
Starts at $7.32
Check Prices
K18 Hair Molecular Repair Hair Oil
Price Unknown
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #11

Idun Minerals Balance & Care Shampoo

63% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

47% Attribute Match
57% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 11 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #12

Nivea Sensitive Shampoo

63% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

68% Attribute Match
49% Ingredient Match

Dupe Explained

These products are both shampoos that contain. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or silicones. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #13

Aussie SOS Supercharged Repair Hair Mask

63% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

68% Attribute Match
49% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free hair masks that contain. They've got a total of 10 ingredients in common.

They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for dry skin and brightening skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #19

K18 Hair Leave-In Molecular Repair Hair Mask

63% match

with the ingredients and function of Pureology Strength Cure Superfoods Treatment Hair Mask

75% Attribute Match
49% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free hair masks that contain Vitamin E. They've got a total of 10 ingredients in common.

They both do not contain any parabens, silicones or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.

Both products are also reef safe.

Price Comparison

K18 Hair Leave-In Molecular Repair Hair Mask
Price Unknown
Check Prices
Pureology Strength Cure Superfoods Treatment Hair Mask
Starts at $44.00
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #14

Pureology Color Fanatic Multi-Tasking Deep-Conditioning Hair Mask

63% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

80% Attribute Match
46% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free hair masks that contain Vitamin E. They've got a total of 10 ingredients in common.

They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.

Price Comparison

Pureology Color Fanatic Multi-Tasking Deep-Conditioning Hair Mask
Starts at $44.00
Check Prices
K18 Hair Leave-In Molecular Repair Hair Mask
Price Unknown
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #15

Gisou Honey Infused Hair Mask

63% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

68% Attribute Match
49% Ingredient Match

Dupe Explained

These products are both cruelty-free hair masks that contain Vitamin E. They've got a total of 12 ingredients in common.

They both do not contain any parabens, silicones or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.

Both products are also reef safe.

Price Comparison

Gisou Honey Infused Hair Mask
Starts at $57.00
Check Prices
K18 Hair Leave-In Molecular Repair Hair Mask
Price Unknown
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Don't miss the latest dupes
Build your routine, discover dupes, and more by joining our community
Dupe #16

Kérastase Genesis Strengthening Hair Mask

63% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

79% Attribute Match
44% Ingredient Match

Dupe Explained

These products are both hair masks that contain peptides. They've got a total of 10 ingredients in common.

They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for dry skin and brightening skin.

Both products are also reef safe.

Price Comparison

Kérastase Genesis Strengthening Hair Mask
Starts at $68.00
Check Prices
K18 Hair Leave-In Molecular Repair Hair Mask
Price Unknown
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #17

Ljung Of Lapland Schampo Fjällbris

62% match

with the ingredients and function of K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

75% Attribute Match
43% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #18

Davines Volu Shampoo

62% match

with the ingredients and function of K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

56% Attribute Match
48% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 10 ingredients in common.

They both do not contain any oils, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Price Comparison

Davines Volu Shampoo
Price Unknown
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #19

love ur self Love Ur Curls Gentle Mousturizing Shampoo

62% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

70% Attribute Match
45% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin and brightening skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #20

IDA WARG Beauty Volume Shampoo

62% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

43% Attribute Match
55% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 10 ingredients in common.

They both do not contain any harsh alcohols, oils, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #21

L'Oreal Elvital Anti-Breakage Intense Repairing Mask

62% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

71% Attribute Match
46% Ingredient Match

Dupe Explained

These products are both hair masks that contain. They've got a total of 10 ingredients in common.

They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for dry skin and brightening skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #22

Kérastase Discipline Smoothing Hair Mask for Frizzy Hair

62% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

60% Attribute Match
51% Ingredient Match

Dupe Explained

These products are both hair masks that contain. They've got a total of 12 ingredients in common.

They both do not contain any oils, parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for brightening skin and scar healing.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #23

Miche Beauty Cleansed Moisturizing Shampoo

61% match

with the ingredients and function of K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

70% Attribute Match
43% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 7 ingredients in common.

They both do not contain any common allergens, oils, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin and brightening skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #24

FFREE Shampoo II

61% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

77% Attribute Match
42% Ingredient Match

Dupe Explained

These products are both shampoos that contain. They've got a total of 5 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or silicones.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #25

Hask Tea Tree Oil & Rosemary Invigorating Shampoo

61% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

70% Attribute Match
44% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 11 ingredients in common.

They both do not contain any harsh alcohols, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Price Comparison

Hask Tea Tree Oil & Rosemary Invigorating Shampoo
Starts at $5.27
Check Prices
K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

This dupe is $30.73 less expensive than the original product. Nice find!

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #26

X-Tra Shampoo Till Normal Hair

61% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

79% Attribute Match
42% Ingredient Match

Dupe Explained

These products are both shampoos that contain. They've got a total of 6 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or silicones. They both contain fragrances.

They're both likely to be good for dry skin and brightening skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #27

Davines Momo Hydrating Shampoo

61% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

67% Attribute Match
45% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 10 ingredients in common.

They both do not contain any oils, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for sensitive skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #28

Änglamark Shampoo Normal Hair

61% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

62% Attribute Match
48% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 7 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or silicones.

They're both likely to be good for dry skin and brightening skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #29

Änglamark Shampoo Kids

61% match

with the ingredients and function of K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

67% Attribute Match
44% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 6 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or silicones.

They're both likely to be good for dry skin and brightening skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #30

Davines OI Shampoo

61% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

63% Attribute Match
45% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 11 ingredients in common.

They both do not contain any parabens or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Price Comparison

Davines OI Shampoo
Price Unknown
Check Prices
K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #31

Davines Dede Shampoo

61% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

67% Attribute Match
45% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 10 ingredients in common.

They both do not contain any oils, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for sensitive skin.

Both products are also reef safe.

Price Comparison

Davines Dede Shampoo
Price Unknown
Check Prices
K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #32

Garnier Fructis Triple Nutrition Miracle Dry Oil

61% match

with the ingredients and function of K18 Hair Molecular Repair Hair Oil

83% Attribute Match
41% Ingredient Match

Dupe Explained

These products are both cruelty-free hair oils that contain Vitamin E. They've got a total of 7 ingredients in common.

They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens, fragrances and oils.

They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.

Both products are also reef safe.

Price Comparison

Garnier Fructis Triple Nutrition Miracle Dry Oil
Starts at $39.99
Check Prices
K18 Hair Molecular Repair Hair Oil
Price Unknown
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #33

Olaplex No. 4P Blonde Enhancing Toning Shampoo

61% match

with the ingredients and function of K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

67% Attribute Match
43% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, oils, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Price Comparison

Olaplex No. 4P Blonde Enhancing Toning Shampoo
Starts at $25.95
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #34

Noir Stockholm Epic Treat Deep Conditioning Treatment Mask

60% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

88% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free hair masks that contain Vitamin E. They've got a total of 8 ingredients in common.

They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #35

Antonio Axu Salon Color Boosting Treatment

60% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

68% Attribute Match
42% Ingredient Match

Dupe Explained

These products are both vegan hair masks that contain. They've got a total of 9 ingredients in common.

They both do not contain any parabens. They both contain harsh alcohols, common allergens and fragrances.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #36

Ljung Of Lapland Schampo Fjällbris

60% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

65% Attribute Match
42% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #37

Shea Moisture Low Porosity Weightless Hydrating Shampoo

60% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

65% Attribute Match
44% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 10 ingredients in common.

They both do not contain any harsh alcohols, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Price Comparison

Shea Moisture Low Porosity Weightless Hydrating Shampoo
Starts at $12.99
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K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

This dupe is $23.01 less expensive than the original product. Nice find!

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #1

Ouai Thick Hair Shampoo

60% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

69% Attribute Match
40% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain peptides. They've got a total of 12 ingredients in common.

They both do not contain any parabens or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Price Comparison

Ouai Thick Hair Shampoo
Starts at $32.00
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K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

This dupe is $4.00 less expensive than the original product. Nice find!

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #39

Odele Clarifying Shampoo

60% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

86% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 7 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates. They both contain fragrances.

Both products are also fungal acne (malassezia) safe and reef safe.

Price Comparison

Odele Clarifying Shampoo
Starts at $11.99
Check Prices
K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

This dupe is $24.01 less expensive than the original product. Nice find!

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #40

Cleure Shampoo

60% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

85% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 5 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.

They're both likely to be good for dry skin and brightening skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #41

Mielle Organics Oats And Honey Soothing Shampoo

60% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

55% Attribute Match
48% Ingredient Match

Dupe Explained

These products are both shampoos that contain. They've got a total of 10 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Price Comparison

Mielle Organics Oats And Honey Soothing Shampoo
Price Unknown
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K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #42

Honest Beauty Shampoo + Body wash

60% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

72% Attribute Match
40% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 8 ingredients in common.

They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #43

Placent Activ Milano Hair Growth Shampoo

60% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

79% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both shampoos that contain. They've got a total of 8 ingredients in common.

They both do not contain any oils, parabens or silicones. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #44

Shea Moisture High Porosity Moisture Replenish Shampoo

60% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

65% Attribute Match
41% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain. They've got a total of 10 ingredients in common.

They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Price Comparison

Shea Moisture High Porosity Moisture Replenish Shampoo
Starts at $12.99
Check Prices
K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

This dupe is $23.01 less expensive than the original product. Nice find!

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #45

Mielle Organics Pomegranate & Honey Moisturizing and Detangling Shampoo

60% match

with the ingredients and function of K18 Hair Damage Shield pH Protective Shampoo

75% Attribute Match
40% Ingredient Match

Dupe Explained

These products are both shampoos that contain. They've got a total of 9 ingredients in common.

They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also reef safe.

Price Comparison

Mielle Organics Pomegranate & Honey Moisturizing and Detangling Shampoo
Starts at $13.99
Check Prices
K18 Hair Damage Shield pH Protective Shampoo
Starts at $36.00
Check Prices

This dupe is $22.01 less expensive than the original product. Nice find!

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #46

Pacifica Rosemary Purify Invigorating Shampoo

60% match

with the ingredients and function of K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

79% Attribute Match
40% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 7 ingredients in common.

They both do not contain any harsh alcohols, parabens, silicones or sulfates. They both contain fragrances.

They're both likely to be good for dry skin, brightening skin and sensitive skin.

Both products are also fungal acne (malassezia) safe and reef safe.

Price Comparison

Pacifica Rosemary Purify Invigorating Shampoo
Starts at $11.00
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #47

Keune Care Satin Oil Mask

60% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

60% Attribute Match
46% Ingredient Match

Dupe Explained

These products are both cruelty-free hair masks that contain Vitamin E. They've got a total of 10 ingredients in common.

They both do not contain any parabens, silicones or sulfates. They both contain harsh alcohols and fragrances.

They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.

Both products are also reef safe.

Price Comparison

Keune Care Satin Oil Mask
Starts at $28.59
Check Prices
K18 Hair Leave-In Molecular Repair Hair Mask
Price Unknown
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #48

Amika Soulfood Nourishing Mask

60% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

72% Attribute Match
41% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free hair masks that contain Vitamin E. They've got a total of 8 ingredients in common.

They both do not contain any parabens or sulfates. They both contain harsh alcohols, common allergens and fragrances.

They're both likely to be good for dry skin and brightening skin.

Both products are also reef safe.

Price Comparison

Amika Soulfood Nourishing Mask
Starts at $27.94
Check Prices
K18 Hair Leave-In Molecular Repair Hair Mask
Price Unknown
Check Prices

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

Dupe #49

Antonio Axu Salon Color Boosting Treatment

59% match

with the ingredients and function of K18 Hair Leave-In Molecular Repair Hair Mask

68% Attribute Match
41% Ingredient Match

Dupe Explained

These products are both vegan hair masks that contain. They've got a total of 9 ingredients in common.

They both do not contain any parabens. They both contain harsh alcohols, common allergens and fragrances.

Both products are also reef safe.

Learn more about this dupe

Looking for a full breakdown of the similarities and differences between these two products?

Check out our full comparison of these two products for all the details!

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The data we've presented on this page has been verified by a member of the SkinSort Team.

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