Ingredient

Acetyl tetrapeptide-3

INCI Acetyl Tetrapeptide-3

What it is

A four-amino-acid chain with an acetyl group, used as a hair-conditioning ingredient.

What we intend to say — claims review pending

Conditions the scalp and lengths; leaves fine hair feeling softer and smoother.

What we don't say

No claims about hair loss, hair growth or thinning.

Used in

AI-generated packaging concept

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