POLYURETHANE-26 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYURETHANE-26

Safety grade: A

Polyurethane-26 is a synthetic polymer, similar to the material used in flexible plastics and coatings. In cosmetics, it forms a lightweight, flexible film on hair and skin.

This ingredient creates a protective, conditioning layer on hair and skin that helps lock in moisture, reduce frizz, and provide a smooth, soft feel while protecting against environmental damage.

Graded using: COSING.

Last verified: May 26, 2026