Butylene Glycol Cocoate
AKA “3-BUTANEDIOL, Butane-1, 3-Butylene glycol, Butylene glycol, 3-Dihydroxybutane
Synthetic
Ingredient Facts
Butylene glycol cocoate
AKA: 3-BUTANEDIOL, Butane-1, 3-Butylene glycol, 3-Dihydroxybutane
Synthetic · Emulsion Stabilising · EWG: 1
Varies With Manufacturer
Cleanser
Emulsifier
Plant Oil
Synthetic
Clean
Coconut oil fatty acids, 2-hydroxybutyl ester Science: Functions: Emulsion Stabilising, Surfactant - Emulsifying, Viscosity Controlling Safety Ratings: CIR: Safe as used
CAS #
107-88-0, 6290-03-5
See origin →
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Surfactant Emulsifying
Anti-Inflammatory
Boosts Collagen
Wound Healing
Mixes oil and water
Keeps product blended
Controls product thickness
Traditional Use
Synthetic ester developed as a mild surfactant and emollient for cosmetics. Created to provide gentle cleansing and conditioning properties in modern skincare formulations.
Skin Types
all-skin-types, gentle
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Final Report on the Safety Assessment of Butylene Glycol, Hexylene Glycol, Ethoxydiglycol, and Dipropylene Glycol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
2,3-Butanediol
European Commission
EU Cosmetic Ingredient Database (CosIng)
Butylene Glycol
European Commission
EU Cosmetic Ingredient Database (CosIng)
Butylene Glycol Cocoate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Butylene Glycol Dicaprylate/Dicaprate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Butylene Glycol Diisononanoate
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-15 Butylene Glycol Diisostearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
2,3-Butanediol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Butylene Glycol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Butylene Glycol Cocoate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Butylene Glycol Dicaprylate/Dicaprate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Prospects on bio-based 2,3-butanediol and acetoin production: Recent progress and advances.
Maina S, Prabhu AA, Vivek N, Vlysidis A, Koutinas A et al.
Biotechnology advances, 2022
Effects of 1,3-propanediol associated, or not, with butylene glycol and/or glycerol on skin hydration and skin barrier function.
Pinto JR, Monteiro E Silva SA, Leonardi GR
International journal of cosmetic science, 2024
Verified Feb 2026
Data: CosIng · EWG · CIR