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Biography
about||the New York City band|Lotion (band)|the song|The Greenskeepers|the band Bodylotion|Neophyte (band)A lotion is a low- to medium- viscosity , topical preparation intended for application to unbroken skin . By contrast, Cream (pharmaceutical)|creams and gels have higher viscosity .
Lotions are usually applied to external skin with bare hands, a clean cloth, cotton wool or gauze . Many lotions, especially hand creams and face cream are formulated not as a medicine delivery system, but simply to smooth, re-hydrate, and soften the skin. These are particularly popular with the aging and aged demographic groups, and in the case of face usage, can also be classified as a cosmetic in many cases, and may contain fragrances.
Most lotions are oil-in-water emulsion s using a substance such as cetearyl alcohol to keep the emulsion together, but water-in-oil lotions are also formulated. The key components of a skin care lotion, cream or gel emulsion (that is mixtures of oil and water) are the Wiktionary:aqueous|aqueous and oily phases, an Emulsion#Emulsifier|emulgent to prevent separation of these two phases, and, if used, the medication|drug substance or substances. A wide variety of other ingredients such as fragrance s, glycerin|glycerol , petroleum jelly , dye s, preservative s, protein s and stabilizing agents are commonly added to lotions. Lotions can be used for the delivery to the skin of medications such as:
Antibiotic s
Antiseptic s
Antifungal medication|Antifungals
Corticosteroid s
Anti- Acne vulgaris|acne agents
Soothing, smoothing, moisturizing or protective agents (such as calamine )
It is not unusual for the same drug ingredient to be formulated into a lotion, cream (pharmaceutical)|cream and ointment . Creams are the most convenient of the three but are inappropriate for application to regions of hairy skin such as the scalp, while a lotion is less viscous and may be readily applied to these areas (many medicated shampoos are in fact lotions). Historically, lotions also had an advantage in that they may be spread thinly compared to a cream or ointment and may economically cover a large area of skin, but product research has steadily eroded this distinction. Non-comedogenic lotions are recommended for use on acne prone skin.
See also
Cold cream
External links
http://hibiscus-sinensis.com/regency/skincare.htm Lotions during the early 19th century
Dosage formsRoutes of administration Category:Dosage forms Category:Drug delivery devices Category:Skin care
