SODIUM PG-PROPYLDIMETHICONE THIOSULFATE COPOLYMER is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SODIUM PG-PROPYLDIMETHICONE THIOSULFATE COPOLYMER

Safety grade: A

This is a silicone-based polymer that's created in a laboratory to condition and protect hair. It forms a thin, flexible coating on hair strands to improve softness and shine while helping the product stay on the hair longer.

This ingredient creates a protective film on hair while providing conditioning benefits, making hair smoother, shinier, and easier to manage.

Graded using: COSING.

Last verified: May 26, 2026