K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

Dupes for PEPTIDE PREP™ pH Maintenance Shampoo by K18 Hair

Welcome to our breakdown of the 50 best K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo dupes and alternatives.

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If you'd like to see the all of the K18 Hair dupes that we've found, check out our best K18 Hair dupes guide.

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!

Ouai Thick Hair Shampoo
Most Often Compared

Our community frequently compares this product with Ouai's Thick Hair Shampoo. Our matching algorithm puts it at an 57% overall match!

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!

Overview

What it is

Shampoo with 18 ingredients that contains peptides

Cool Features

It is vegan, cruelty-free, fungal acne (malassezia) safe, and reef safe

Suited For

It has ingredients that are good for dry skin, brightening skin and sensitive skin

Free From

It doesn't contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates

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 #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 #1

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

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

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 #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 #4

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 #1

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 #2

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

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

K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

61% match

with the ingredients and function of Flakes Anti-Dandruff Shampoo

74% Attribute Match
43% Ingredient Match

Dupe Explained

These products are both 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 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

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 #1

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

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

Dr. Organic Manuka Shampoo

60% match

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

65% Attribute Match
43% 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, 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!

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Dupe #3

Bonté Champú Hidratante Sandia

59% match

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

62% Attribute Match
42% Ingredient Match

Dupe Explained

These products are both vegan 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 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

Nivea Sensitive Shampoo

59% match

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

59% Attribute Match
45% Ingredient Match

Dupe Explained

These products are both 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 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 #5

Hask Tea Tree Oil & Rosemary Invigorating Shampoo

59% match

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

60% Attribute Match
43% 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

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

365 Everyday Value Moisture & Shine Shampoo

59% match

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

55% Attribute Match
46% 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, 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 #2

It’s a 10 Coily Miracle Hydrating Shampoo

59% match

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

71% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain peptides. 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

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

Davines Oi Shampoo

59% match

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

52% Attribute Match
46% 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

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

Pacifica Coco Peptide Damage Care Shampoo

59% match

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

76% Attribute Match
38% Ingredient Match

Dupe Explained

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

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

IDA WARG Beauty Plumping Shampoo

59% match

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

47% Attribute Match
46% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain peptides. 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 #15

Shea Moisture Low Porosity Weightless Hydrating Shampoo

58% match

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

63% Attribute Match
40% 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, 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

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

Davines Momo Hydrating Shampoo

58% match

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

56% Attribute Match
43% 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 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 #9

Ziaja Natural Care Shampoo

58% match

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

72% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both vegan and 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, 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 #8

Dr. Organic Aloe Vera Shampoo

58% match

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

64% Attribute Match
41% 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 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 #5

K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

58% match

with the ingredients and function of Miche Beauty Detox Gentle Clarifying Shampoo

73% Attribute Match
39% 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 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 #8

K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

58% match

with the ingredients and function of Shea Moisture Manuka Honey & Mafura Oil Intensive Hydration Shampoo

60% 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.

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 #10

Camille Rose Black Castor Oil + Chebe Cleanse

58% match

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

59% Attribute Match
44% Ingredient Match

Dupe Explained

These products are both vegan and 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, 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 #11

Rizos Curls Hydrating Shampoo

58% match

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

75% Attribute Match
37% 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, 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 #12

Davines Dede Shampoo

58% match

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

56% Attribute Match
42% 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 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

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

Adwoa Beauty Blue Tansy Clarifying Gel Shampoo

58% match

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

73% Attribute Match
39% 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.

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

Christophe Robin Hydrating Shampoo With Aloe Vera

57% match

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

69% Attribute Match
36% 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 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.

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 #13

Mielle Organics Pomegranate & Honey Moisturizing and Detangling Shampoo

57% match

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

65% Attribute Match
38% 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, 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 #13

Ouai Thick Hair Shampoo

57% match

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

57% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both cruelty-free shampoos that contain peptides. 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

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

K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

57% match

with the ingredients and function of Cleure Shampoo

74% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 4 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.

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 #14

Kinky Curly Tiny Twirls Foam Shampoo

57% match

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

73% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both vegan and 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 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 #15

Mielle Organics Oats And Honey Soothing Shampoo

57% match

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

45% Attribute Match
46% 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, 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

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

Odele Clarifying Shampoo

57% match

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

75% Attribute Match
36% Ingredient Match

Dupe Explained

These products are both vegan and 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, silicones or sulfates. They both contain fragrances.

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 #17

4C Only Too Clean Shampoo

57% match

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

75% Attribute Match
36% 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, 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!

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

Harklinikken Fortifying Shampoo

57% match

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

68% Attribute Match
38% Ingredient Match

Dupe Explained

These products are both vegan and 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, brightening skin and sensitive skin.

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

Learn more about this dupe

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Dupe #19

Real Purity Baby Shampoo & Body Wash

57% match

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

72% Attribute Match
37% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 6 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 and brightening skin.

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

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Dupe #17

Tree to Tub Clarifying Argan Oil Shampoo

57% match

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

62% Attribute Match
39% Ingredient Match

Dupe Explained

These products are both vegan and 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, 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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Dupe #22

K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

57% match

with the ingredients and function of Jessicurl Gentle Lather Shampoo

81% Attribute Match
35% Ingredient Match

Dupe Explained

These products are both vegan and cruelty-free shampoos that contain. They've got a total of 4 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 sensitive skin.

Both products are also reef safe.

Price Comparison

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Dupe #18

K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

56% match

with the ingredients and function of Honest Beauty Shampoo + Body wash

62% Attribute Match
36% 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, brightening skin and sensitive skin.

Both products are also reef safe.

Price Comparison

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Dupe #14

Shea Moisture High Porosity Moisture Replenish Shampoo

56% match

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

54% Attribute Match
38% 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, 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

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Dupe #18

It’s a 10 Potion Miracle Shampoo

56% match

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

67% Attribute Match
37% 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, 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

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

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Dupe #19

AG Care Colour Savour Colour Protecting Shampoo

56% match

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

67% Attribute Match
36% 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 or sulfates. They both contain fragrances.

They're both likely to be good for 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 #20

Maui Moisture Clarify & Soothe + Black Soap Shampoo

56% match

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

65% Attribute Match
35% 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 #21

Malibu C Hard Water Wellness Shampoo

56% match

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

47% Attribute Match
42% 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 reef safe.

Learn more about this dupe

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

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Dupe #2

K18 Hair PEPTIDE PREP™ pH Maintenance Shampoo

56% match

with the ingredients and function of Shea Moisture Superfruit Complex 10 In 1 Multi-Benefit Shampoo

65% Attribute Match
37% 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.

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 #22

Maui Moisture Curl Quench + Coconut Oil Shampoo

56% match

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

65% Attribute Match
35% 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.

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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