Tricaprylyl Citrate

AKA: Trioctyl citrate, Bernel ester TCC, Tri-n-octyl citrate, Citric acid, Trioctyl ester, Tricaprylyl citrate [INCI], 1, 2, 3-Propanetricarboxylic acid
Synthetic
Emollient
Skin Conditioner
Clean
OriginTypically derived from coconut, palm kernel, or soybean oils as the starting material. Synthesized through esterification of citric acid with branched-chain fatty alcohols derived from these oils.
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trioctyl ester
Formula
C30H56O7
Mol. Weight
528.80
CAS #
16502-99-1
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.3–27%
Rinse-off0.5–0.8%
0%50%100%
CIR reported use · report published 2014
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR