K18 Hair Dupes

Last updated on May 09, 2025

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!

Garnier Fructis Sleek & Shine Moroccan Sleek Smoothing Oil
Most Often Compared

Our community frequently compares this product with Garnier's Fructis Sleek & Shine Moroccan Sleek Smoothing Oil. Our matching algorithm puts it at an 64% overall match to K18 Hair's PEPTIDE PREP™ pH Maintenance Shampoo!

The Unscented Company Daily Shampoo
Most Liked

Of all of the dupes for this product, The Unscented Company's Daily Shampoo is the most liked by our community. Our matching algorithm puts it at an 72% 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 #4

K18 Hair Damage Shield pH Protective Shampoo

70% match

with the ingredients and function of The Unscented Company Daily Shampoo

74% Attribute Match
58% 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, 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.

Price Comparison

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

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 #1

Lobie Peptide Leave In Mask

67% match

with the ingredients and function of K18 Hair Professional Molecular Repair Hair Mist

79% Attribute Match
53% Ingredient Match

Dupe Explained

These products are both cruelty-free leave-in treatments that contain peptides. They've got a total of 10 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.

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 #1

Mizani Moisture Fusion Intense Moisturizing Mask

67% match

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

77% Attribute Match
52% Ingredient Match

Dupe Explained

These products are both hair masks that contain Vitamin E. They've got a total of 9 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

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

Superdrug Extracts 3 In 1 Hair Mask

67% match

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

75% Attribute Match
52% 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 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 #1

Matrix Food For Soft Rich Hydrating Treatment Mask

67% match

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

83% Attribute Match
51% 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 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 and scar healing.

Both products are also reef safe.

Price Comparison

This dupe is $3.00 more expensive than the original product.

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

REVOX B77 Plex Molecular Repair Mask

67% match

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

69% Attribute Match
52% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free hair masks that contain peptides and 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 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 #7

Happy Hair People Ride The Waves Wavy Hair Shampoo

66% match

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

81% Attribute Match
50% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 9 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

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

365 Everyday Value Volume & Thick Shampoo Rosemary Mint

66% match

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

75% 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, silicones or sulfates. 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 #8

L'Oreal EverPure Sulfate-Free Bond Repair Pre-Shampoo Treatment

66% match

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

62% Attribute Match
58% Ingredient Match

Dupe Explained

These products are both vegan 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.

Price Comparison

This dupe is $28.51 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 #14

Baylis & Harding Natural Conditioning Shampoo

65% match

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

81% Attribute Match
48% 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, 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 fungal acne (malassezia) safe and reef safe.

Price Comparison

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

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

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

Superdrug Extracts 3 In 1 Hair Mask

65% match

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

77% 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 or silicones. 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 #10

Ion Renewal Treatment Masque

65% match

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

70% 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 9 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 dry skin and brightening skin.

Both products are also reef safe.

Price Comparison

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

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 vegan and 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

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 #23

Define Men Clean & Fresh Shampoo

64% match

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

79% Attribute Match
47% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 9 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 #1

L'Oreal Elvive 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 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 #18

Happy Hair People Yes Curl Curly & Coily Hair Shampoo

64% match

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

72% Attribute Match
48% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 9 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

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

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 #24

L300 Refreshing Shower & Shampoo For Men

64% match

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

75% Attribute Match
47% 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 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 #17

L'Oreal Elseve Bond Repair Pre-Shampoo 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 #2

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.

Price Comparison

This dupe is $7.99 more expensive than the original product.

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

Superdrug Extracts 3 In 1 Hair Mask

64% match

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

66% Attribute Match
52% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free hair masks that contain Vitamin E. They've got a total of 13 ingredients in common.

They both do not contain any parabens or silicones. 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 #1

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

This dupe is $28.21 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 #22

L'Oreal Elvive 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 #2

365 Everyday Value Volume & Thick Shampoo Rosemary Mint

64% match

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

65% Attribute Match
47% 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.

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 #5

Dubbeldusch Body And Hair Fresh

64% match

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

68% Attribute Match
51% 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 #26

Les Secrets De Loly Sunshine Clean Shampoo

63% match

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

69% Attribute Match
47% 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 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.

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

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 #1

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

This dupe is $29.00 more expensive than the original product.

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

Idun Minerals Volume & Care Shampoo

63% match

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

70% Attribute Match
49% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 9 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 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 #1

Dubbeldusch Shower Gel Energy Rush

63% match

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

68% Attribute Match
50% 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 #8

Dubbeldusch Body And Hair Sport

63% match

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

68% Attribute Match
50% 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 #29

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

This dupe is $18.00 more expensive than the original product.

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

Pureology Strength Cure Superfoods Treatment Hair Mask

63% match

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

This dupe is $5.00 more expensive than the original product.

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

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

This dupe is $5.00 more expensive than the original product.

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

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 #36

Matrix Brass Off Neutralizating Hair Mask

63% match

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

86% 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 parabens or silicones. They both contain harsh alcohols, common allergens and fragrances.

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

Price Comparison

This dupe is $11.00 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 #2

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 vegan and 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.

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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

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 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 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!

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Dupe #3

NatureLab Tokyo Kiseki Molecular Repair Leave-In Hair Masque

62% match

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

65% 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 11 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 and scar healing.

Both products are also reef safe.

Price Comparison

Learn more about this dupe

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

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Dupe #44

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

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

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Dupe #1

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 #4

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 vegan and 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 #41

Verb Dandruff Shampoo

62% match

with the ingredients and function of K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo

75% Attribute Match
47% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain BHA. 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 common allergens and fragrances.

They're both likely to be good for fighting acne, dry skin, brightening skin, sensitive skin, oily skin, reducing pores and scar healing.

Both products are also reef safe.

Price Comparison

This dupe is $18.00 less expensive than the original product. Nice find!

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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

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 #1

Naturall Hydrating Shampoo

62% match

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

60% Attribute Match
51% 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 #46

Enjoy Super Hydrate Shampoo

62% match

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

88% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain peptides. They've got a total of 8 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 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 #39

Happy Hair People Straight Talkin’ Straight Hair Shampoo

62% match

with the ingredients and function of K18 Hair Damage Shield pH Protective 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, 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 fungal acne (malassezia) safe and reef safe.

Price Comparison

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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