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

SERICA

Silk

Safety grade: A

Serica is a natural protein derived from silk fibers. It's the same material used to make luxurious silk fabric, but processed into a form that can be added to beauty products.

This ingredient smooths and conditions hair and skin by coating the surface with a silky layer, helping to retain moisture and reduce frizz while improving overall texture and shine.

Graded using: COSING.

Last verified: May 26, 2026