C9-11 ISOALKANE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

C9-11 ISOALKANE

Safety grade: A

A lightweight oil derived from petroleum that helps cosmetic products spread smoothly and evenly on skin. It absorbs quickly without leaving a greasy feeling, making it popular in foundations, primers, and other makeup products where a silky texture is desired.

Graded using: COSING.

Last verified: June 9, 2026