research Synthesis and Biological Evaluation of Dimeric Peptide Derivatives as Proliferation-Stimulating Agents in Human Follicle Dermal Papilla Cells 3 citations, September 2021 in “Bulletin of the Korean Chemical Society” Dimeric peptide derivatives could help hair growth and treat hair loss safely.
research Assessment of the Efficacy and Tolerability of a Topical Formulation Containing Caffeine and Procapil 3% for Improvement of Male Pattern Hair Loss November 2023 in “Journal of Cosmetic Dermatology” The topical treatment with caffeine and Procapil 3% improved male pattern hair loss and was well tolerated after 12 weeks.