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A lotion is a low-viscosity topical preparation intended for application to the skin. By contrast, creams and gels have a higher viscosity, typically due to lower water content. Lotions are applied to external skin with bare hands, a...

Moisturizer or Emollient is a cosmetic preparation used for protecting, moisturizing, and lubricating the skin. These functions are normally performed by sebum produced by healthy skin.  The word "emollient" is derived from...