CHLAMYDOMONAS R-(OLIGOPEPTIDE-91 SH-POLYPEPTIDE-11 SH-POLYPEPTIDE-1 SH-POLYPEPTIDE-11) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

CHLAMYDOMONAS R-(OLIGOPEPTIDE-91 SH-POLYPEPTIDE-11 SH-POLYPEPTIDE-1 SH-POLYPEPTIDE-11)

Safety grade: A

This ingredient comes from a type of algae and contains natural peptides that help strengthen and protect skin. It works to improve skin firmness and support the skin's natural barrier function, making it a common addition to anti-aging and moisturizing skincare products.

Graded using: COSING.

Last verified: June 9, 2026