Hydroxycapryloyl Phytosphingosine

Hydroxycapryloyl Phytosphingosine 1
molecular structure · PubChem CID 129628080
AKA: 173840-45-4
Synthetic
Skin Conditioner
Hair Care
Ceramide
Not Clean
OriginDerived from phytosphingosine, a naturally occurring lipid found in plant cell membranes and seeds. Synthesized through esterification of phytosphingosine with hydroxycaprylic acid to enhance conditioning properties.
Octanamide, N-[2,3-dihydroxy-1-(hydroxymethyl)heptadecyl]-2-hydroxy
Formula
C26H53NO5
Mol. Weight
459.70
CAS #
173840-45-4
Form
Powder
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-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
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 2020
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR