Emerging Strategies in Innovative Topical Delivery Systems for Treating Atopic Dermatitis

Atopic dermatitis (AD) is an inflammatory condition characterized by T helper 2 (Th2) immunological responses and loss of epidermal barrier function. Chronic inflammatory dermatosis called atopic dermatitis (AD) can flare up and go into remission at different times. Intense, ongoing itching, as well as the severity and variety of clinical symptoms, are characteristics of AD. The methods of delivering topical medications, commonly employed for addressing various skin conditions, have evolved significantly from their primitive forms. Progress in percutaneous absorption, the refinement of product designs driven by a deeper comprehension of how drugs, formulations, and skin interact, along with associated research endeavors, and the implementation of quality-centric design principles have collectively propelled their advancement. Topical drug delivery entails drug transportation from a skin-based product to a local target location, followed by drug clearance by diffusion, metabolism, and excretion. and the deeper tissues and the remainder of the body's dermal circulation.