ZINC S-ALLOFERON-1 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

ZINC S-ALLOFERON-1

Safety grade: A

This ingredient is derived from zinc and a natural protein compound that works to support your skin's natural defense system. It's commonly used in skincare products to help soothe irritation and promote a healthier, more resilient complexion.

Graded using: COSING.

Last verified: June 9, 2026