CYSTEINAMIDE HCL is graded A (Safe) by Expert·ING, based on COSING regulatory data.

CYSTEINAMIDE HCL

Safety grade: A

A skin-conditioning compound derived from amino acids that helps improve skin texture and firmness. It works by supporting the skin's natural moisture barrier and promoting a smoother, more resilient complexion. Commonly found in anti-aging and hydrating skincare products.

Graded using: COSING.

Last verified: June 9, 2026