BARLEY SH-POLYPEPTIDE-9 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

BARLEY SH-POLYPEPTIDE-9

Safety grade: A

Derived from barley, this natural protein helps strengthen and protect your skin's outer layer. It works to improve skin texture and firmness while helping products absorb better into the skin. This ingredient is commonly used in moisturizers and anti-aging formulas.

Graded using: COSING.

Last verified: June 9, 2026