Abstract

REVIEW ARTICLE

Neha Vishwakrma*

.

Abstract

Topical dosage forms are those which are applied directly to external body surface either by inunciting it (spreading and rubbing in a semi-solid with the fingers), by spraying or dusting it on, or by instillingit (applying a liquid as drops). Topical dosage form are applied to the skin either for their physical effects, that is for the ability to act as skin protectants, lubricants, emollients, drying agents, etc. or for specific effect of medicinal agents present. Preparations sold over the country frequently contain mixtures of medical substances used in the treatment of such conditions as minor skin infection, itching, bruise, acne, psoriasis and eczema. Topical dosage forms have been used since very ancient times. The application of medicinal substance to skin or to various body orifices is a concept as old as humanity. Various ointments, creams, gels, lotions, pastes, powders and plasters have been used for many years.

Keywords: .