Disclosure: This page may contain affiliate links. Read our full disclosure policy.

Olaplex Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM.
sisley-revitalizing-fortifying-serum.

Product category and function

No.9 Bond Protector Nourishing Hair Serum
Revitalizing Fortifying Serum
Hair Serums Hair Serums
Concentrated treatments for smoothing and protecting hair.
Concentrated treatments for smoothing and protecting hair.
---- ----

Ingredient highlights

No.9 Bond Protector Nourishing Hair Serum
Revitalizing Fortifying 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
Revitalizing Fortifying Serum
No. of common ingredients = 0
Total Number of ingredients = 30 Total Number of ingredients = 34
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., glycerin, peg-40 hydrogenated castor oil, pentylene glycol, panthenol, arginine, bisabolol, pyridoxine hcl, tocopheryl acetate, magnesium aspartate, zinc gluconate, salvia officinalis (sage) leaf extract, copper gluconate, hydrolyzed rice protein, hydrolyzed vegetable protein, hydrolyzed linseed extract, biotinoyl tripeptide-1, thymus mastichina flower oil, thymus vulgaris (thyme) oil, cetrimonium chloride, ppg-26-buteth-26, hydroxyethylcellulose, citric acid, butylene glycol, disodium edta, sodium hydroxide, parfum/fragrance, phenoxyethanol, sodium benzoate, potassium sorbate, linalool, limonene, citral

Notable ingredients

No.9 Bond Protector Nourishing Hair Serum
Revitalizing Fortifying Serum

Ingredients with their functions

No.9 Bond Protector Nourishing Hair Serum
Revitalizing Fortifying Serum

1

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.

2

Propanediol

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

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

3

Betaine

Function: Viscosity controlling, Skin conditioning, Humectant/Moisturizer

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

1

Aqua/water/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.

2

Alcohol denat.

Also-called: Alcohol denat | Function: Viscosity controlling, Astringent, Solvent, Anti-microbial

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

3

Glycerin

Also-called: Glycerol | Function: Skin-identical ingredient, Viscosity controlling, Skin protecting, Skin conditioning, Humectant/Moisturizer, Solvent

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

Price range

No.9 Bond Protector Nourishing Hair Serum
Revitalizing Fortifying Serum
$20 to $50
more than $100

Where to buy

No.9 Bond Protector Nourishing Hair Serum
Revitalizing Fortifying Serum

Near dupes

No.9 Bond Protector Nourishing Hair Serum
Revitalizing Fortifying Serum

Beautymasterlist footer icon

© 2026 Beauty Master List, All Rights Reserved.