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Cationic protein conditioner

STEARDIMONIUM HYDROXYPROPYL HYDROLYZED COLLAGEN

70

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A quaternized hydrolyzed collagen used as an antistatic hair and skin conditioner. Generally well tolerated in rinse-off use, with occasional irritation potential from the cationic quat moiety in sensitized users.

Skin benefits

  • Quaternized hydrolyzed collagen acts as a substantive hair conditioner that reduces static and improves combability
  • Deposits a thin protein film that improves wet and dry feel of damaged or porous hair
  • Provides anti-static and skin conditioning effects in rinse-off and leave-on hair products

Known concerns

  • Quaternary ammonium head group can occasionally trigger skin or scalp irritation in sensitive users
  • May aggravate pre-existing contact dermatitis with prolonged leave-on exposure

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.