SR-STURGEON POLYPEPTIDE-5 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-STURGEON POLYPEPTIDE-5

Safety grade: A

This ingredient comes from sturgeon fish and contains natural proteins that help skin retain moisture and maintain firmness. It works by nourishing the outer layers of skin, potentially reducing fine lines and improving overall texture and elasticity.

Graded using: COSING.

Last verified: June 9, 2026