Emerging pharmacotherapies and regenerative solutions for promoting hair growth for androgenetic alopecia

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Introduction Androgenetic alopecia (AGA) is the most common form of non-scarring hair loss, characterized by progressive follicular miniaturization, shortened anagen phase, and increased telogen hairs. Traditional therapies, including topical minoxidil and oral finasteride, provide variable efficacy and often require long-term adherence, leaving a substantial unmet need. Emerging pharmacological and regenerative approaches aim to target underlying mechanisms of follicle degeneration, stimulate hair regrowth, and improve hair density and quality. Methods A review of literature on novel treatments for AGA, focusing on pharmacological innovations and regenerative-medicine strategies, was performed. Original and review articles published before 1 December 2025 were evaluated for relevance. Discussion Cell-derived exosomes and mesenchymal stromal cell-conditioned media have shown potential to activate dermal papilla cells, stimulate Wnt/β-catenin signaling, and enhance angiogenesis, resulting in improved hair density and shaft diameter in early clinical studies. Peptide-based formulations and growth-factor concentrates similarly demonstrate follicular anabolic effects, while PRP remains one of the most studied regenerative interventions, with evidence of additive benefit when combined with traditional therapies. Investigational pharmacotherapies, such as KX-826 (pyrilutamide), provi

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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