POLYURETHANE-37 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
POLYURETHANE-37
Safety grade: A
Polyurethane-37 is a synthetic plastic-like polymer that forms a flexible, protective layer on hair. It's commonly used in hair styling products to hold hair in place and create a lightweight coating.
This ingredient works by creating a thin, flexible film on hair that binds strands together, provides hold, and helps hair maintain its style throughout the day.
Graded using: COSING.
Last verified: May 26, 2026
Other Film Forming ingredients
- CELLULOSE GUM — Grade A
- GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE — Grade A
- POLYQUATERNIUM-7 — Grade B
- POLYQUATERNIUM-10 — Grade A
- HYDROXYETHYLCELLULOSE — Grade A
- ACRYLATES COPOLYMER — Grade A
- MALTODEXTRIN — Grade A
- CERA ALBA — Grade A