Transdermal

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By: DAVID SAVASTANO

Contributing Editor, Coatings World and Ink World

Dosage forms designed to deliver the API(s) through the skin into the systemic circulation. Transdermal systems are typically composed of an outer covering (barrier), a drug reservoir (that may incorporate a rate-controlling membrane), a contact adhesive to affix the transdermal system to the administration site, and a protective layer that is removed immediately prior to application of the transdermal system.

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