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

SERUM PROTEIN

Safety grade: A

Serum protein is a protein derived from blood serum that helps lock in moisture and strengthen hair and skin. It works like a protective shield to keep your skin and hair hydrated and healthy-looking.

This ingredient conditions and moisturizes hair and skin by attracting and retaining water, while also helping to smooth and strengthen the outer surface.

Graded using: COSING.

Last verified: May 26, 2026