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Transdermal Creams

Meaning

Transdermal creams are pharmaceutical formulations designed to deliver active therapeutic agents, often lipophilic hormones like testosterone or estradiol, through the skin barrier and into the systemic circulation. These creams utilize specialized penetration enhancers within an emulsion base to facilitate the passive diffusion of the drug across the stratum corneum. This delivery method offers a clinically advantageous route by bypassing first-pass hepatic metabolism, potentially leading to more stable, physiological hormone levels compared to oral administration.