PG-HYDROLYZED SILK is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PG-HYDROLYZED SILK

Hydrolyzed Silk

Safety grade: A

This ingredient is silk protein that has been broken down into smaller pieces so it can be absorbed by hair and skin. It comes from the cocoons used to make silk fabric.

It coats and moisturizes hair and skin, making them smoother, shinier, and softer while helping to lock in hydration.

Graded using: COSING.

Last verified: May 26, 2026

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