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      learn Tofacitinib

      JAK inhibitor pill, an immune-system drug
      • How does tofacitinib differ when used orally versus topically in hair loss treatment research? Oral tofacitinib acts on immune signalling throughout the body and has more published regrowth data in alopecia areata (from small studies without placebo groups), alongside an FDA boxed warning; topical tofacitinib aims to act only on the scalp, but the human evidence is a handful of small compounded-formulation studies with no large randomized trial. Neither route is approved for hair loss, and regrowth generally reverses after treatment stops.

      learn Neem Oil

      Oil from the neem tree, used in traditional remedies