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This study found that botulinum toxin type A injections in stressed mice appeared to normalize hair follicle regeneration cycles and reduced stress-related hair loss indicators.

This study suggests that mechanical stress may influence androgenic alopecia patterning through a stretch-induced and androgen-mediated mechanotransduction mechanism in dermal papilla cells.

In this review, researchers examined nine studies on botulinum toxin type A's effects on biomarkers in chronic head and neck conditions, finding significant, though low to moderate certainty, changes in markers like CGRP and serotonin associated with inflammation and mood disorders.

This research reports that after genotoxic stress from ionizing radiation or chemotherapy, hair follicles can utilize progenitor cells from transit-amplifying compartments, not quiescent stem cells, for repair, suggesting a potential therapeutic approach to prevent therapy-induced hair loss by activating these progenitors.

This review discusses trichodynia, its potential causes, and treatment options, but reports no new clinical findings.