Acetylated Lanolin Alcohol

Acetylated lanolin alcohol is an emollient derived from wool wax components, typically used at low-to-moderate percentages to improve texture and occlusivity, but lanolin-derived alcohol fractions are well-documented causes of allergic contact dermatitis in susceptible individuals. While many users tolerate it, patch-test data and clinical experience show a meaningful risk in eczema-prone and barrier-impaired skin, where even low exposures can trigger flare or delayed sensitization. Given this non-trivial allergy/irritation potential in sensitive populations, a moderate score is warranted and patch testing is prudent. Safety Notes: In commercial skincare and cosmetic products, acetylated lanolin alcohol is most often used as an emollient/co-emulsifier at low levels (~0.05–1%) in lotions, facial moisturizers, and makeup where it improves slip and barrier feel without heaviness. Mid-range usage (~1–5%) is common in richer creams and some lip products. The upper end (~10–15%) is observed in very occlusive consumer-available ointment-style barrier creams, heavy-duty hand/foot creams, and some balm/stick formats where lanolin-derived emollients are used as primary structuring/occlusive components; rinse-off products typically sit at the low end due to deposition/feel considerations.

Suitability