Acetylated Lanolin
AKA: Lanolin Acetate
Allergen Warning
⚠️ Lanolin (Wool)
Synthetic
Emollient
Occlusive
Skin Conditioner
Hair Care
Barrier Lipid
Clean
Acetylated Lanolin is the acetyl ester of Lanolin.
CAS #
61788-48-5
Form
Wax
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Occlusive
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Locks In Moisture
Traditional Use
Lanolin, derived from sheep's wool grease, has been used as an emollient since at least the 19th century. Acetylation was developed in the 20th century to improve stability and reduce stickiness while preserving its conditioning properties.
Skin Types
●all-skin-types, gentle
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