murphyCetyl Esters
molecular structure · PubChem
AKA: Cetyl wax esters, Spermaceti wax substitute, Cetyl palmitate
Synthetic
Emollient
Skin Conditioner
Clean
OriginDerived from blended fatty acids and alcohols, typically sourced from petroleum or plant oils. Synthesized through esterification reactions that combine these acids and alcohols to create wax-like esters.
The complex reaction product of blended acids and blended alcohols which simulates the composition of natural spermaceti. It consists primarily of myristyl, cetyl and palmityl esters of myristic and palmitic acids
Form
Wax
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
2 studies / 2 not irritating (CIR 61 and 623)
Not a Skin Irritant
1 study / 1 not irritating (CIR 61)
Concentration Guide
Leave-on0.8–30%
Rinse-off0.7–5%
0%50%100%
CIR reported use · 2012 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR