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

HYDROGENATED POLYCYCLOPENTADIENE

Safety grade: A

This is a synthetic polymer derived from petroleum that forms a flexible, film-like coating on skin. It's used in depilatory products to help dissolve and remove unwanted hair.

This ingredient works as a depilatory agent by breaking down the protein structure of hair, allowing it to be easily wiped away from the skin surface.

Graded using: COSING.

Last verified: May 26, 2026