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Olaplex
No.9 Bond Protector Nourishing Hair Serum

Versus

Kerastase
Serum Fortifiant Hair Serum

Olaplex Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM.

Product category and function

No.9 Bond Protector Nourishing Hair Serum

Serum Fortifiant Hair Serum

Hair Serums	Hair Serums
Concentrated treatments for smoothing and protecting hair.	Concentrated treatments for smoothing and protecting hair.
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Ingredient highlights

No.9 Bond Protector Nourishing Hair Serum

Serum Fortifiant Hair Serum

Ingredient info	Ingredient info
Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free cruelty-free	Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free

Full ingredient list

No.9 Bond Protector Nourishing Hair Serum

Serum Fortifiant Hair Serum

No. of common ingredients = 0
Water (aqua/eau), propanediol, betaine, quaternium-22, sodium hyaluronate, bis-aminopropyl diglycol dimaleate, cetrimonium chloride, panthenol, hydroxyethylcellulose, pvp, guar hydroxypropyltrimonium chloride, furcellaria lumbricalis extract, pelvetia canaliculata extract, xylitylglucoside, polyquaternium-44, anhydroxylitol, maltitol, citric acid, trisodium ethylenediamine disuccinate, xylitol, sorbic acid, phenoxyethanol, ethylhexylglycerin, sodium benzoate, fragrance (parfum), citral, citronellol, hexyl cinnamal, limonene, linalool 10	Aqua (water / eau), alcohol denat., arginine, peg-40 hydrogenated castor oil, citric acid, niacinamide, calcium pantothenate, caffeine, limonene, pyridoxine hcl, linalool, polyquaternium-11, safflower glucoside, benzyl salicylate, coumarin, citral, benzyl alcohol, xylitylglucoside, citronellol, benzyl benzoate, anhydroxylitol, xylitol, zingiber officinale root extract (ginger root extract), resveratrol, tocopherol, bht, sodium citrate, parfum /fragrance.

No. of common ingredients = 0

Total Number of ingredients = 30

Total Number of ingredients = 28

Water (aqua/eau), propanediol, betaine, quaternium-22, sodium hyaluronate, bis-aminopropyl diglycol dimaleate, cetrimonium chloride, panthenol, hydroxyethylcellulose, pvp, guar hydroxypropyltrimonium chloride, furcellaria lumbricalis extract, pelvetia canaliculata extract, xylitylglucoside, polyquaternium-44, anhydroxylitol, maltitol, citric acid, trisodium ethylenediamine disuccinate, xylitol, sorbic acid, phenoxyethanol, ethylhexylglycerin, sodium benzoate, fragrance (parfum), citral, citronellol, hexyl cinnamal, limonene, linalool

Aqua (water / eau), alcohol denat., arginine, peg-40 hydrogenated castor oil, citric acid, niacinamide, calcium pantothenate, caffeine, limonene, pyridoxine hcl, linalool, polyquaternium-11, safflower glucoside, benzyl salicylate, coumarin, citral, benzyl alcohol, xylitylglucoside, citronellol, benzyl benzoate, anhydroxylitol, xylitol, zingiber officinale root extract (ginger root extract), resveratrol, tocopherol, bht, sodium citrate, parfum /fragrance.

Notable ingredients

No.9 Bond Protector Nourishing Hair Serum

Serum Fortifiant Hair Serum

Soothing: Panthenol

Solvent: Water (aqua/eau), Limonene, Propanediol

Anti-microbial: Cetrimonium chloride, Phenoxyethanol

Anti-acne: Niacinamide

Soothing: Niacinamide

Skin brightening: Niacinamide

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Ingredients with their functions

No.9 Bond Protector Nourishing Hair Serum

Serum Fortifiant Hair Serum

Water (aqua/eau)

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

Propanediol

Also-called: Zemea | Function: Viscosity controlling, Solvent

We don’t have a detailed description of this ingredient yet.

Betaine

Function: Viscosity controlling, Skin conditioning, Humectant/Moisturizer

We don’t have a detailed description of this ingredient yet.