Lanolin
Also known as: Wool Wax, Wool Grease, Lanolin Oil
Waxy sheep's wool byproduct that deeply moisturizes and forms a protective barrier on skin.
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Get the appWhat it does
Lanolin is a complex mixture of esters and fatty acids derived from sheep's wool that penetrates the outer skin layers while sealing in moisture. It has high substantivity, meaning it adheres well to skin and creates a lasting occlusive layer. Historically one of the most widely used emollients in skincare and pharmaceuticals.
Benefits
- Intense hydration and moisture retention for dry skin
- Protective barrier function reduces water loss (TEWL)
- Rich texture supports skin repair and softness
- Affordable and stable across formulations
Who it suits
- Dry and dehydrated skin
- Sensitive skin needing barrier support
- Mature skin
- Eczema-prone skin
How to use
Use in creams, balms, and occlusives, typically at 2–10% concentration. Apply to damp skin to lock in hydration, or use as a targeted occlusive on very dry areas.
Pairs well with
Glycerin, Ceramides, Hyaluronic acid, Plant oils
Be careful pairing with
none notable
Safety & cautions
Lanolin can cause allergic contact dermatitis in sensitive individuals (5–15% of people may react); patch test first. May feel occlusive or heavy on oily or acne-prone skin.
Educational information, not medical advice. Concentration and formulation change how an ingredient behaves.