Tricetyl Phosphate
molecular structure · PubChem
AKA: Trihexadecyl phosphate, 1-Hexadecanol, Phosphate (3:1), Tripalmityl phosphate, TRICETYL PHOSPHATE [INCI]
Synthetic
Occlusive
Not Clean
The CIR Expert Panel concluded the following 28 alkyl phosphates are safe in the present practices of use and concentration in cosmetics when formulated to be non-irritating...Tricetyl Phosphate...
Formula
C48H99O4P
Mol. Weight
771.30
CAS #
68814-13-1
Form
Powder
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Plasticiser
Creates protective layer
Adds flexibility
Traditional Use
A synthetic ingredient developed in 20th-century cosmetic chemistry. Used as an emollient, viscosity modifier, and conditioning agent in hair and skin care products.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR