Phytosteryl Nonanoate

Phytosteryl Nonanoate 1
stock photograph
AKA: Phytosterol Nonanoate, Plant Sterol Ester
Synthetic
Skin Conditioner
Hair Care
Not Clean
OriginPhytosterols, derived from plant sources like soybean or rapeseed oils, are esterified with nonanoic acid. The esterification is achieved through chemical reaction between phytosterol and nonanoic acid under catalytic conditions.
Phytosteryl Nonanoate is the ester of Phytosterol and Nonanoic Acid
CAS #
-
Form
Oil
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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
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
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2013
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR