The Types tier of market taxonomy classifies therapeutics by delivery modality and mechanism of action, offering a complementary view to application‑based segmentation. Topical agents—creams, gels, and ointments—remain the dominant format, delivering localized efficacy with lower systemic risk; they underpin roughly fifty percent of market value due to their ubiquity across all dermatologic indications. Systemic oral drugs, such as methotrexate and apremilast, are essential for moderate‑to‑severe cases of psoriasis and eczema, contributing about twenty‑five percent of revenue as clinicians balance efficacy with safety monitoring. Biologic injectables, targeting specific cytokine pathways (e.g., IL‑17, IL‑23), command premium pricing and represent roughly twenty percent of the market, reflecting their role in refractory disease states. Finally, Combination therapies—integrating topical and systemic components or pairing pharmacologic agents with device‑based delivery—capture the remaining five percent, illustrating niche innovation aimed at improving adherence and outcomes. This type‑based segmentation clarifies how each modality supports overall market growth and informs investment priorities in the Prescription Dermatology Therapeutics sector.