murphyC10-40 Isoalkyl Acid Phytosterol Esters
molecular structure · PubChem
AKA: Plant sterol ester, Conditioning agent
Synthetic
Emollient
Skin Conditioner
Hair Care
Acid
Not Clean
OriginTypically derived from plant sources such as soybean, rapeseed, or tall oil containing phytosterols and fatty acids. Produced through esterification of phytosterols with C10-40 isoalkyl acids via chemical synthesis.
C10-40 Isoalkyl Acid Phytosterol Esters is a complex mixture of esters of phytosterol and C10-40 Isoalkyl Acid
State
Solid
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR