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Butylene Glycol Dicaprylate/Dicaprate
AKA “3-BUTANEDIOL, Butane-1, 3-Butylene glycol, Butylene glycol, 3-Dihydroxybutane”
Emollient
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Ingredient Facts
Butylene glycol dicaprylate/dicaprate
AKA: 3-BUTANEDIOL, Butane-1, 3-Butylene glycol, 3-Dihydroxybutane
Emollient · Emollient · EWG: 1
Synthetic
Emollient
Skin Conditioner
Clean
1,2-Butanediol, diesters with octanoic and decanoic acids
CAS #
107-88-0, 6290-03-5
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Synthetic ester developed as a cosmetic emollient and texture enhancer. Designed to provide a lightweight feel, improved spreadability, and conditioning benefits in skincare formulations.
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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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
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EU Cosmetic Ingredient Database (CosIng)
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Butylene Glycol
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Butylene Glycol Cocoate
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Butylene Glycol Dicaprylate/Dicaprate
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Butylene Glycol Diisononanoate
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PEG-15 Butylene Glycol Diisostearate
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Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
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Butylene Glycol
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Butylene Glycol Cocoate
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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 Jun 2026
Data: CosIng · EWG · CIR