QUATERNIUM-91

Ingredient type: OTHER

✨ Role: Quaternium-91 is generally used as a conditioning and softening agent in cosmetic products. It helps smooth and detangle hair, leaving a soft, silky feel.

Ingredient type: Cationic

‍⚕️ Safety: Considered safe in the usual concentrations used in cosmetics.

✨ Vegan: Potentially non-vegan, as some forms of quaternium may be derived from animal substances. Check with the manufacturer for confirmation.

✨ Worth knowing: Well tolerated by most hair types, it is nevertheless essential to use it in appropriate concentrations to avoid any adverse effects, such as skin irritations.

Present in: Mainly used in conditioners, hair masks and hair care products.