Here's our complete breakdown comparing the ingredients, attributes, and more of K18 Hair Leave-In Molecular Repair Hair Mask versus The INKEY List Peptide Volumizing Hair Treatment .
Last updated on October 25, 2023. Published on April 17, 2023
Overview
What they are
These products are both vegan, cruelty-free, and reef safe . They have a total of 3 ingredients in common
Cool Features
They both contain peptides
Suited For
They're both likely to be good for dry skin and brightening skin
Free From
They both do not contain any parabens, silicones or sulfates
What's Inside
They both contain fragrances
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.
Hair Mask
Hair masks provide intense nourishment to your hair and usually need to be washed out. They can be used to treat specific hair conditions.
Hair Serum
Liquid-based hair treatment to help nourish the hair.
Price
Ingredient Info
K18 Hair Leave-In Molecular Repair Hair Mask 21 ingredients
The INKEY List Peptide Volumizing Hair Treatment 20 ingredients
Contains Alcohol
Ingredients in this product that are types of alcohol:
Silicon Free
This product is free of silicons 🎉
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Oil Free
This product is free of oils 🎉
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
Contains EU Allergens
Ingredients in this product that are EU allergens:
Vegan
This product is vegan 🎉
Cruelty Free
This product is cruelty-free 🎉
Alcohol Free
This product is free of harsh alcohols 🎉
Silicon Free
This product is free of silicons 🎉
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Contains Oils
Ingredients in this product that are types of oil:
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
EU Allergen Free
This product is free of EU allergens 🎉
Vegan
This product is vegan 🎉
Cruelty Free
This product is cruelty-free 🎉
At a glance
Click on any of the items below to learn more
K18 Hair Leave-In Molecular Repair Hair Mask 21 ingredients
The INKEY List Peptide Volumizing Hair Treatment 20 ingredients
Notable Ingredients
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Concerns
This product contains 2 ingredients that may have this attribute:
This product contains 3 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 3 ingredients that may have this attribute:
This product contains 4 ingredients that may have this attribute:
This product contains 5 ingredients that may have this attribute:
Notable Ingredients
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
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Join SkinSortIngredients Compared
Ingredients that are highlighted in purple are present in both products.
K18 Hair Leave-In Molecular Repair Hair Mask 21 ingredients
The INKEY List Peptide Volumizing Hair Treatment 20 ingredients
Water • Alcohol Denat. • Propylene Glycol • Cetearyl Alcohol • Dicaprylyl Ether • Cetyl Esters • Behentrimonium Chloride • Polysorbate 20 • Sh-Oligopeptide-78 • Hydrolyzed Wheat Protein • Hydrolyzed Wheat Starch • Isopropyl Alcohol • Tocopherol • Phenoxyethanol • Potassium Sorbate • Citric Acid • Parfum • Geraniol • Linalool • Hexyl Cinnamal • Benzyl Alcohol
Water • Pisum Sativum Peptide • Betaine • Glycerin • Panthenol • Peg-40 Hydrogenated Castor Oil • Phenoxyethanol • Polyquaternium-37 • Citronellyl Methylcrotonate • Ethylhexylglycerin • Ceratonia Siliqua Seed Extract • Hydrolyzed Soy Protein • Zea Mays Starch • Leuconostoc/Radish Root Ferment Filtrate • Trisodium Ethylenediamine Disuccinate • Polyquaternium-16 • Potassium Sorbate • Sodium Benzoate • Guar Hydroxypropyltrimonium Chloride • Polyquaternium-7
Ingredients Side-by-side
Ingredients that are highlighted in purple are present in both products.
Learn more about what what Com. / Irr. ratings are
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterK18 Hair Leave-In Molecular Repair Hair Mask contains this as ingredient number 1.
The INKEY List Peptide Volumizing Hair Treatment contains this as ingredient number 1.
Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent germ and microbial growth. By itself, it has a scent that is similar to that of a rose.
It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.
K18 Hair Leave-In Molecular Repair Hair Mask contains this as ingredient number 14.
The INKEY List Peptide Volumizing Hair Treatment contains this as ingredient number 7.
Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.
Potassium sorbate is potassium salt derived from sorbic acid. Sorbic acid is a natural antibiotic and effective against fungus.
Potassium sorbate and sorbic acid can be found in baked goods, cheeses, dried meats, dried fruit, ice cream, pickles, wine, yogurt, and more.
Potassium sorbate is often used with stronger preservatives.
Learn more about Potassium SorbateK18 Hair Leave-In Molecular Repair Hair Mask contains this as ingredient number 15.
The INKEY List Peptide Volumizing Hair Treatment contains this as ingredient number 17.
Here's what our community thinks of the ingredients in these two products.
K18 Hair Leave-In Molecular Repair Hair Mask 21 ingredients
The INKEY List Peptide Volumizing Hair Treatment 20 ingredients
Usage
Here's some more info on how this product is used by our community.
When to use
K18 Hair Leave-In Molecular Repair Hair Mask 21 ingredients
The INKEY List Peptide Volumizing Hair Treatment 20 ingredients
Reviews
Here's what our community thinks
K18 Hair Leave-In Molecular Repair Hair Mask 21 ingredients
The INKEY List Peptide Volumizing Hair Treatment 20 ingredients
Alternatives
Our Dupe Finder has found 50 potential alternatives that have similar ingredients to K18 Hair Leave-In Molecular Repair Hair Mask.
See 50 alternativesOur Dupe Finder has found 3 potential alternatives that have similar ingredients to The INKEY List Peptide Volumizing Hair Treatment.
See 3 alternatives
