Scalp psoriasis inflammation is mainly caused by bacteria-related triggers.
October 2025 in “International Journal of Molecular Sciences” Early intervention in patch-type alopecia may prevent progression to more severe forms by targeting immune pathways and preserving keratin.
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December 2021 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Two drugs, ritlecitinib and brepocitinib, improved scalp hair loss condition markers.
Ritlecitinib helps reduce inflammation and promote hair regrowth in alopecia areata, especially in patchy-type cases.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” 848 genes related to fat and metabolism are less active in people with Central Centrifugal Cicatricial Alopecia.