Tricaprylyl Citrate
molecular structure · PubChem
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
Chemical Exfoliant
Plant Oil
Clean
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trioctyl ester
Formula
C30H56O7
Mol. Weight
528.80
CAS #
16502-99-1
Form
Liquid
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
A synthetic ester combining citric acid with caprylyl alcohols, developed in modern cosmetic chemistry. Designed as a lightweight emollient and humectant for skincare and makeup formulations.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR