Wax-like fat from sheep wool. A strong occlusive whose composition mirrors human skin lipids: it restores the barrier and heals cracks, especially on dry areas and nursing nipples.
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
Shown to lower TEWL and speed up healing of microdamage. Pure lanolin is FDA-approved for nipple cracks during breastfeeding. Acts as a contact allergen in roughly 1–5% of eczema patients.
Irritation potential
LowAllergen risk
ModeratePregnancy
SafeSuitable for
Use with caution
Lanolin is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Lanolin suits: normal, dry. Use with caution in: oily, sensitive.
Wax-like fat from sheep wool.
On the Fulton scale 1/5 – very low comedogenicity. For acne-prone skin, a rating of 3 or higher suggests choosing an alternative.
The INCI name is Lanolin. It may also appear as: Wool Wax, Adeps Lanae, Ланолин.
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