Diethylene Glycol Diethylhexanoate/Diisononanoate
AKA “DIETHYLENE GLYCOL, 2'-Oxydiethanol, 2-(2-Hydroxyethoxy)ethanol, 2'-Oxybisethanol, Diglycol”
Synthetic
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Ingredient Facts
Diethylene glycol diethylhexanoate/diisononanoate
AKA: 2'-Oxydiethanol, 2-(2-Hydroxyethoxy)ethanol, 2'-Oxybisethanol, Diglycol
Synthetic · Hair Conditioning | Plasticiser | Skin Conditioning - Emollient · EWG: 4
Plant-Derived
Emollient
Skin Conditioner
Hair Care
Synthetic
Clean
Oxybis(2-hydroxyethyl), diesters with 3,5,5-trimethylhexanoic acid and 2-ethylhexanoic acid Science: Functions: Hair Conditioning, Plasticiser, Skin Conditioning, Skin Conditioning - Emollient Safety Ratings: CIR: Safe as used
Formula
C4H10O3
Mol. Weight
106.12
CAS #
111-46-6
Form
Liquid
Plant-Derived
Synthetic. Synthesized from diethylene glycol and branched-chain carboxylic acids (3,5,5-trimethylhexanoic and 2-ethylhexanoic acid). Produced through esterification reactions combining the glycol with the two different carboxylic acids.
Function
Hair Conditioning | Plasticiser | Skin Conditioning - Emollient
Benefits
Locks In Moisture
Traditional Use
Synthetic ester blend developed in the late 20th century as an emollient and carrier system for cosmetic ingredients. Designed to improve skin feel and product stability.
Skin Types
all-skin-types
Best For
Target
Dryness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Concentration Guide
0.1%
0%0%
Reg. Limit
EU regulatory limit: 0.1%. Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 186.
Regulatory Agencies
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR