Dicapryl Succinate
AKA “Dioctyl succinate, Succinic acid, dioctyl ester, Butanedioic acid, 4-dioctyl ester, UNII-8XD1ZF2M1M, EINECS 238-499-4, AI3-07873
Synthetic
Ingredient Facts
Dicapryl succinate
AKA: Dioctyl succinate, Succinic acid, Dioctyl ester, Butanedioic acid, 4-dioctyl ester, UNII-8XD1ZF2M1M, EINECS 238-499-4, AI3-07873
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Occlusive
Skin Conditioner
Hair Care
Synthetic
Clean
A synthetic conditioning agent that softens and smooths skin, hair, and nails while helping products maintain their texture and feel on your skin.
Formula
C20H38O4
Mol. Weight
342.50
CAS #
14491-66-8
Form
Powder
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Nail Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Plasticiser
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 non-comedogenic emollient in modern skincare formulations. Designed to provide moisturization without the heaviness of traditional oils.
Skin Types
all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR