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This review explores regenerative treatment options for non-scarring alopecia, with a focus on the potential of mesenchymal stem cells for hair regrowth, but it reports no new clinical results.

In this review, the authors summarized non-pharmacological therapies that may promote hair growth and regeneration as alternatives to traditional drug treatments and hair transplantation, both of which have notable limitations.

This research investigated immune cell involvement in various types of inflammatory alopecia by analyzing gene expression data from scalp samples, revealing distinct cellular changes in conditions like Alopecia Areata, Frontal Fibrosing Alopecia, Lichen Planopilaris, and Central Centrifugal Cicatricial Alopecia, which may inform future therapeutic targets.

This article discusses the role of regulatory T cells in alopecia areata, where their deficiency in hair follicles may lead to impaired local immunity and suggests potential therapies like CAR-T reg cells and low-dose IL-2 to alleviate autoimmunity and promote hair regeneration in affected individuals.

This narrative review discusses the promising role of photobiomodulation in dermatology, emphasizing its non-invasive nature and potential benefits, but acknowledges the need for further research to establish standard protocols.