HYDROLYZED COW THROMBIN is graded A (Safe) by Expert·ING, based on COSING regulatory data.

HYDROLYZED COW THROMBIN

Safety grade: A

A protein derived from cow blood that helps cosmetics form a smooth, film-like layer on skin. It works to improve texture and create a firmer appearance, making it useful in anti-aging and lifting products. This ingredient helps bind other formula components together.

Graded using: COSING.

Last verified: June 9, 2026