Phytosteryl Macadamiate

Phytosteryl Macadamiate molecular structure
molecular structure · PubChem
AKA: Plant Sterol Macadamia Ester
Allergen Warning
⚠️ Tree Nut (Macadamia)
Synthetic
Skin Conditioner
Hair Care
Clean
Fatty acids, macadamia nut-oil, esters with (3-.beta.)-sigmast-5-en-3-ol
Form
Oil
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
Traditional Use
A synthetic ester blending phytosterols with macadamia nut oil-derived fatty acids. Developed as a luxurious emollient for contemporary cosmetic and skincare products.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR