SD ALCOHOL 39-A is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SD ALCOHOL 39-A

Denatured Alcohol

Safety grade: A

SD Alcohol 39-A is a type of alcohol that has been specially treated to make it undrinkable. It's a clear, fast-evaporating liquid commonly used in skincare and cosmetic products.

This ingredient works as an astringent to tighten and tone skin, helps dissolve and mix other ingredients together, and adjusts the thickness of cosmetic formulations.

Graded using: COSING.

Last verified: May 26, 2026