Topical products


In a Very Topical Manner, FDA Introduces Guidance Documents to Get Under Your Skin

Last Friday, FDA issued four (4) guidance documents that establish the FDA’s current thinking on requirements for establishing sameness and bioequivalence of topical products.  They cover in vitro permeation testing, in vitro release studies, Q3 characterization studies, and studies required for corticosteroids of medium and high potency. While there have been many documents and discussions […]

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