diisopropyl adipate
AKA “Diisopropyl Adipate (DIPA)”
Synthetic
Ingredient Facts
Diisopropyl adipate
AKA: Diisopropyl Adipate (DIPA)
Synthetic · Emollient · EWG: 1
Plant-Derived Synthetic
Emollient
Solvent
Skin Conditioner
Synthetic
Clean
A lightweight emollient that helps skin feel soft and smooth while allowing products to blend easily and absorb without leaving a greasy residue.
Effective at 12.5%
CAS #
6938-94-9
See origin →
Functions
Plasticiser
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Locks In Moisture
Traditional Use
A synthetic ester developed in the mid-20th century as a lightweight emollient and solvent. Created to replace heavier natural oils while providing spreadability and conditioning benefits in cosmetic formulations.
Skin Types
●all-skin-types, gentle
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Concentration Guide
0.005%
25.0%
0%35%
Effective Range
CIR reported use: 5-8 | 0.1-25 | 0.01-15 | 0.005-8
Regulatory Agencies
Final Report on the Safety Assessment of Dioctyl Adipate and Diisopropyl Adipate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
diisopropyl adipate
European Commission
EU Cosmetic Ingredient Database (CosIng)
diisopropyl adipate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: CosIng · EWG · CIR