PPG-9-Buteth-12
AKA “2-(1-butoxypropan-2-yloxy)ethanol, 2-((1-Butoxypropan-2-yl)oxy)ethan-1-ol”
Skin Conditioning
Ingredient Facts
PPG-9-Buteth-12
AKA: 2-(1-butoxypropan-2-yloxy)ethanol, 2-((1-Butoxypropan-2-yl)oxy)ethan-1-ol
Skin Conditioning · Hair Conditioning · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Not Clean
Oxirane, methyl-, polymer with oxirane, monobutyl ether
CAS #
9038-95-3, 9065-63-8
Form
Liquid
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Developed in the mid-20th century as a synthetic surfactant and emulsifier. Designed to improve the cleansing and emulsifying properties of cosmetic formulations while enhancing product feel.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Amended Final Report on the Safety Assessment of PPG-9-Buteth-12, PPG-12-Butheth-16, PPG-26-Buteth-26, and PPG-28-Butheth-35
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of PPG-12-Buteth-16, PPG-9-Buteth-12, PPG-26-Buteth-26 and PPG-28-Buteth-35
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
PPG-9-Buteth-12
European Commission
EU Cosmetic Ingredient Database (CosIng)
Verified Jun 2026
Data: CosIng · EWG · CIR