lanolin

/'lænəli:n/
Học thuật
Thân thiện
lanolin

A jar of lanolin cream sits on a bathroom shelf.

Definition
  1. Noun:
    • A fatty substance obtained from sheep's wool: Lanolin is a natural, waxy substance secreted by sheep to condition their wool and skin. It is a complex mixture of esters, fatty acids, and alcohols.
    • An emollient used in ointments and cosmetics: Due to its moisturizing and protective properties, purified lanolin is a common ingredient in skin care products, lotions, lip balms, and pharmaceutical ointments.
Usage Examples
  • Noun:
    • This hand cream contains lanolin to help prevent dry skin.
    • Lanolin is often used as a base for medicinal ointments because it is easily absorbed.
    • Pure lanolin can be derived by washing raw sheep's wool.
Advanced Usage

  • "Hydrous lanolin": Refers to lanolin that contains water, making it softer and easier to blend into cosmetic formulations.

    • Hydrous lanolin is preferred for making certain types of creams.

  • "Anhydrous lanolin": Refers to lanolin that is water-free, typically a thicker, more viscous substance.

    • Anhydrous lanolin is a powerful occlusive agent, meaning it helps seal in moisture.
Variants and Related Words

  • Lanolin oil: A liquid fraction of lanolin, often used in lighter cosmetic products.

    • Lanolin oil is less greasy than pure lanolin and is used in hair conditioners.

  • Lanolin alcohol: A component derived from lanolin, used as an emulsifier and stabilizer in creams and lotions.

    • Lanolin alcohol helps mix oil and water components in cosmetic formulas.
Synonyms
  • Wool fat: A direct synonym, though "lanolin" is the more common term in cosmetics and pharmacy.
  • Wool wax: Another term emphasizing its waxy consistency.
  • Adeps lanae: The pharmaceutical Latin name for lanolin.
Related Phrases and Compounds

  • Lanolin-based: Describes a product whose formula relies on lanolin as a key ingredient.

    • She prefers lanolin-based nipple creams for breastfeeding.

  • Hypoallergenic lanolin: Lanolin that has been processed to remove common allergens, making it suitable for sensitive skin.

    • Even with a wool allergy, she can use hypoallergenic lanolin.
lanolin

A jar of lanolin cream sits on a bathroom shelf.

Noun
  1. an emollient containing wool fat (a fatty substance obtained from the wool of sheep)
  2. a yellow viscous animal oil extracted from wool; a mixture of fatty acids and esters; used in some ointments and cosmetics

Từ đồng nghĩa