Cetyl Myristoleate

AKA: 9-Tetradecenoic acid, Hexadecyl ester, Palmityl myristoleate, Hexadecyl (Z)-tetradec-9-enoate, Hexadecyl 9Z-tetradecenoate, Hexadecanyl 9Z-tetradecenoate
Synthetic
Skin Conditioner
Clean
Cetyl Myristoleate is the ester of Cetyl Alcohol and myristoleic acid.
Formula
C30H58O2
Mol. Weight
450.8
CAS #
64660-84-0
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.
Locks in moisture
Traditional Use
A synthetic or semi-synthetic ester developed in the 20th century as a conditioning agent. Designed to provide enhanced skin feel and lubricity in contemporary cosmetic formulations.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types, gentle
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