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Zhang Y, Wang QP, Zhang JF, Lei X, Xu GT, Ye W

In the context of trichology (the study of hair and scalp), peptides exhibit several beneficial mechanisms: Stimulation of dermal papilla cells , critical regulators of the hair growth cycle Upregulation of vascular endothelial growth factor (VEGF) to improve microcirculation and nutrient delivery Reduction of pro-inflammatory cytokines , which compromise follicular integrity Support of extracellular matrix (ECM) remodelling , vital for hair shaft anchoring and follicle health By targeting these pathways, peptides hair growth interventions present a multifactorial strategy for combating hair loss and promoting sustained follicular regeneration

Extending beyond peripheral metabolism, the gut-brain axis provides a pathway through which gut dysbiosis influences central nervous system disorders

Multi-target agonists that engage additional receptors may prove more effective than single target drugs