Trimyristin

AKA: 555-45-3, Glycerol trimyristate, Glyceryl trimyristate, Dynasan 114, Myristic acid triglyceride, Tetradecanoic acid, 1, 2, 3-propanetriyl ester, VP 114, 3-Propanetriol tritetradecanoate, 3-di(tetradecanoyloxy)propyl tetradecanoate
Synthetic
Skin Conditioner
Clean
Trimyristin is a triglyceride obtained by formal acylation of the three hydroxy groups of glycerol by myristic (tetradecanoic) acid. It is a triglyceride and a tetradecanoate ester.
Formula
C45H86O6
Mol. Weight
723.20
CAS #
555-45-3
Form
Powder
State
White to yellowish grey solid; [Merck Index] White powder; [Sigma-Aldrich MSDS]
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.
Viscosity Controlling
Locks in moisture
Traditional Use
A naturally occurring triglyceride derived from myristic acid, traditionally found in nutmeg and coconut oils. Used historically as an emollient in traditional skincare preparations.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing
🛡️Safety-assessed3 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR