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

ouai-medium-hair-shampoo.
Olaplex Nº.4P BLONDE ENHANCER™ TONING SHAMPOO.

Product category and function

Medium Hair Shampoo
No.4P Blonde Enhancer Toning Shampoo
Shampoos Shampoos
Cleansers to remove dirt, oil, and buildup from hair.
Cleansers to remove dirt, oil, and buildup from hair.
---- ----

Ingredient highlights

Medium Hair Shampoo
No.4P Blonde Enhancer Toning Shampoo
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

cruelty-free

Full ingredient list

Medium Hair Shampoo
No.4P Blonde Enhancer Toning Shampoo
No. of common ingredients = 0
Total Number of ingredients = 40 Total Number of ingredients = 19
Aqua (water, eau), sodium c14-16 olefin sulfonate, cocamidopropyl betaine, sodium methyl cocoyl taurate, cocamide mipa, glycol distearate, parfum (fragrance), amodimethicone, hydroxypropyl guar hydroxypropyltrimonium chloride, glycerin, citrus japonica fruit extract, panthenol, hydrolyzed keratin, polyquaternium-7, orbignya oleifera seed oil, cocos nucifera (coconut) oil, peg-150 distearate, sodium lauroyl glycinate, cetrimonium chloride (anti-static agent/agent antistatique), c11-15 pareth-7, laureth-9, trideceth-12, cocoglucosides hydroxypropyltrimonium chloride, acrylates copolymer, tocopherol, peg-200 hydrogenated glyceryl palmate, peg-7 glyceryl cocoate, disodium edta, citric acid, sodium chloride, sodium hydroxide, tetrasodium edta, phenoxyethanol, sodium benzoate, potassium sorbate, benzyl alcohol, benzyl salicylate, limonene, hexyl cinnamal, ci 15985 (yellow 6) Water (aqua/eau), sodium c14-16 olefin sulfonate, cocamidopropyl betaine, glycerin, sodium cocoamphoacetate, sodium chloride, acrylates copolymer, betaine, phenoxyethanol, fragrance (parfum), polyquaternium-7, bis-aminopropyl diglycol dimaleate, guar hydroxypropyltrimonium chloride, ethylhexylglycerin, hexyl cinnamal, limonene, citric acid, sodium benzoate, acid violet 43 (ci 60730).

Notable ingredients

Medium Hair Shampoo
No.4P Blonde Enhancer Toning Shampoo

Ingredients with their functions

Medium Hair Shampoo
No.4P Blonde Enhancer Toning Shampoo

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

Sodium c14-16 olefin sulfonate

Function: Surfactant/Cleansing

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

3

Cocamidopropyl betaine

Function: Viscosity controlling, Surfactant/Cleansing, Skin conditioning

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

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

Sodium c14-16 olefin sulfonate

Function: Surfactant/Cleansing

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

3

Cocamidopropyl betaine

Function: Viscosity controlling, Surfactant/Cleansing, Skin conditioning

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

Price range

Medium Hair Shampoo
No.4P Blonde Enhancer Toning Shampoo
$20 to $50
$20 to $50

Where to buy

Medium Hair Shampoo
No.4P Blonde Enhancer Toning Shampoo

Near dupes

Medium Hair Shampoo
No.4P Blonde Enhancer Toning Shampoo

Beautymasterlist footer icon

© 2026 Beauty Master List, All Rights Reserved.