Sh-Polypeptide-121

Sh-Polypeptide-121 is a film forming and skin conditioning ingredient. It’s in 8 products on Poliage, most often serum, conditioner and moisturizer. Avoid lists on Poliage that include it: none.

Updated October 21, 2026

What it does

Contains Sh-Polypeptide-121: film-forming
Function listed in CosIng
Contains Sh-Polypeptide-121: skin-conditioning
Function listed in CosIng

Source: CosIng, the European Commission cosmetic ingredient database, ref 96959, accessed October 22, 2026.

Products that contain Sh-Polypeptide-121

Related guides