Lotion
Lotion
Lotion (/loʊʃən/) is a low-viscosity topical preparation intended for application to unbroken skin. By contrast, creams and gels have higher viscosity and are typically used for specific skin conditions.
Etymology
The term "lotion" is derived from the Latin lotio - "a washing," from lotus, past participle of lavere - "to wash."
Definition
Lotions are applied to external skin with bare hands, a brush, a clean cloth, or cotton wool. They serve to cleanse, moisturize, soothe, or deliver medication.
Types of Lotions
- Moisturizer: A lotion designed to hydrate the skin.
- Sunscreen: A lotion that helps protect the skin from the sun's harmful ultraviolet (UV) radiation.
- Calamine lotion: A type of lotion that is used to treat itchiness.
- Antibacterial lotion: A lotion designed to kill bacteria and prevent its growth on the skin.
Ingredients
Common ingredients in lotions include water, a binding agent, and a fragrance. Some lotions also contain medicinal agents or other ingredients for specific purposes.
Related Terms
- Cream (pharmacy): A semi-solid emulsion of oil and water, used as a vehicle for medicinal substances.
- Ointment: A viscous semisolid preparation used topically on a variety of body surfaces.
- Emulsion: A mixture of two or more liquids that are normally immiscible (unmixable or unblendable).
- Topical medication: A medication that is applied to a particular place on or in the body.
External links
- Medical encyclopedia article on Lotion
- Wikipedia's article - Lotion
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