N-VALPROYL SERINOL is graded A (Safe) by Expert·ING, based on COSING regulatory data.

N-VALPROYL SERINOL

Safety grade: A

This gentle amino acid derivative is used in skincare and cosmetic formulations to help improve skin texture and enhance product performance. It works by supporting the skin's natural moisture barrier and promoting a smoother appearance. You'll often find it in serums, creams, and anti-aging products.

Graded using: COSING.

Last verified: June 9, 2026