Acetyl Tetrapeptide-3

Acetyl Tetrapeptide-3 is a cosmetic ingredient used as a skin protecting agent. It is used in 119 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI nameACETYL TETRAPEPTIDE-3
FunctionSKIN PROTECTING
CAS number-
Prevalence119 products (0.13% of dataset)
Most used inHaircare
EU statusRestricted (annex )
Monthly searches720

Used in

Lash & Brow Serums 31.1%Scalp Treatments 12.6%Shampoos 10.1%Hair Serums 9.2%Conditioners 5.9%Hair Loss Treatments 5%

Frequently asked

What does Acetyl Tetrapeptide-3 do in skincare?
Acetyl Tetrapeptide-3 functions as a skin protecting agent in cosmetic formulas.
Is Acetyl Tetrapeptide-3 allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Acetyl Tetrapeptide-3?
It is most commonly found in Haircare products, especially lash & brow serums (31.1% of its uses).

Manufacturers with experience using Acetyl Tetrapeptide-3

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.