SR-STURGEON POLYPEPTIDE-2 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-STURGEON POLYPEPTIDE-2

Safety grade: A

Derived from sturgeon, this protein-rich ingredient helps support skin's natural moisture barrier and may improve skin texture. It works by providing amino acids that nourish the skin and promote a smoother, more hydrated appearance when used in creams and serums.

Graded using: COSING.

Last verified: June 9, 2026