What goes into a high end shampoo like Keratase Bain Volumactive?

Its key (proprietary) ingredient is Ampli-Ciment Complex. According to the manufacturer,

  • Ampli-Ciment Complex: Restores the hair’s inner substance.
  • Contouring Polymers: Remodel the fiber’s shape from roots to ends giving hair more body and suppleness

Full ingredients list:

Ingredient Function
Aqua/water
Sodium laureth sulfate (SLS) Foaming (controversial)
Disodium cocoamphodiacetate Surfactant
Sodium chloride
Glycol distearate Emulsion stabilizer, Opacifying agent,Skin conditioning agent – emollient, Skin conditioning agent – occulsive, Surfactant – emulsifying agent,
Viscosity increasing agent
Sodium laureth-8 sulfate Surfactant – Cleansing Agent (contamination concerns; eye, skin, lung irritant)
Cocamide MIPA Emulsifying, Emulsion stabilizing, Surfactant, Foam boosting, Viscosity controlling
Hexylene glycol Solvent and decreases viscosity
Magnesium laureth-8 sulfate Surfactant – Cleansing Agent (contamination concerns)
Sodium oleth sulfate Surfactant – Cleansing Agent; EMULSIFYING; FOAMING
Hydroxypropyl guar hydroxypropyltrimonium chloride Antistatic Agent; Hair Conditioning Agent
Polyquaternium-30 Antistatic Agent; Film Former; Hair Fixative; FILM FORMING
Sodium methylparaben Preservative- antibiotic and anti-fungal properties (Concerns – estrogenic, Organ system toxicity (non-reproductive))
Carbomer Thicken and smoothen cosmetics
DMDM hydantoin Preservative – prevents or retards microbial growth (releases formaldehyde, allergy, skin toxicant)
Magnesium oleth sulfate Surfactant – Cleansing Agent
Isopropanolamine Emulsifier, controls pH
2-oleamido-1, 3-octadecanediol Skin conditioning agent
Parfum/fragrance Scent (irritation concerns)

The most controversial ingredients are SLS, methylparaben and DMDM hydantoin. See also ingredients to avoid in cosmetics.

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