Overview, Advantage And Disadvantage Of Pharmaceutical Lotion
A lotion is a low-to medium-viscosity medicated or non medicated topical preparation, intended for application to unbroken skin without friction. Lotions are usually applied to external skin with bare hands, a clean cloth, cotton wool, or gauze. The insoluble matter should be finely divided as particles approaching colloidal dimensions are more soothing to inflamed areas and are more effective in contact with infected surfaces and devoid of grittiness. A wide variety of ingredients may be added to the preparation to produce better dispersion or to accentuate the cooling, soothing, drying, or protective properties of the lotion. Lotion Most lotions are o/w emulsions, but w/o lotions are also formulated. The key components of a lotion are the aqueous and oily phases, an emulsifying agent to prevent separation of these two phases, and, if used, the drug substance or substances. A wide variety of other ingredients such as fragrances, glycerol, petroleum jelly, dyes, preservatives, and stab...
