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Olaplex
No.9 Bond Protector Nourishing Hair Serum

Versus

Nioxin
Night Density Rescue Serum

Olaplex Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM.

Product category and function

No.9 Bond Protector Nourishing Hair Serum

Night Density Rescue 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

Night Density Rescue 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

Night Density Rescue 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	Alcohol denat., aqua/water/eau, caffeine, panthenol, parfum/fragrance, menthol, lauric acid, peg-40 hydrogenated castor oil, tocopheryl acetate, peg-35 castor oil, butylene glycol, propylene glycol, linalool, polysorbate 20, zingiber officinale (ginger) root extract, hexyl cinnamal, limonene, citronellol, passiflora edulis fruit extract, geraniol, potassium sorbate, sodium benzoate, citral, sorbic acid, farnesol

No. of common ingredients = 0

Total Number of ingredients = 30

Total Number of ingredients = 25

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

Alcohol denat., aqua/water/eau, caffeine, panthenol, parfum/fragrance, menthol, lauric acid, peg-40 hydrogenated castor oil, tocopheryl acetate, peg-35 castor oil, butylene glycol, propylene glycol, linalool, polysorbate 20, zingiber officinale (ginger) root extract, hexyl cinnamal, limonene, citronellol, passiflora edulis fruit extract, geraniol, potassium sorbate, sodium benzoate, citral, sorbic acid, farnesol

Notable ingredients

No.9 Bond Protector Nourishing Hair Serum

Night Density Rescue Serum

Soothing: Panthenol

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

Anti-microbial: Cetrimonium chloride, Phenoxyethanol

Soothing: Menthol, Panthenol

Antioxidant: Caffeine, Tocopheryl acetate

Solvent: Aqua/water/eau, Alcohol denat, Butylene glycol, Limonene, Propylene glycol

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Ingredients with their functions

No.9 Bond Protector Nourishing Hair Serum

Night Density Rescue 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.