This study reviews existing literature on regenerative therapy for androgenetic alopecia, highlighting that integrating growth factors, biotin, D-pantenol, and other active ingredients using the Vittahair protocol may enhance hair follicle regeneration, increase hair density, and improve hair quality, providing a precise and evidence-based treatment alternative.
23 citations
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February 2019 in “International Journal of Molecular Sciences” This study found that Activin B at 10 ng/mL may promote vibrissae follicle growth in mice by enhancing hair matrix cell proliferation and cell cycle progression via ERK signaling pathways.
2 citations
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June 2016 in “Journal of Applied Biological Chemistry” In this study, Glycine soja Siebold et Zucc extracts promoted hair growth and increased cell activity in mice, suggesting potential use for alopecia treatment.
7 citations
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December 1987 in “Fertility and sterility” The vellus index is a simple, quick, and reliable method to assess and monitor hair growth, especially in hirsutism.
36 citations
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April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” This article reviews the role of vasoactive intestinal peptide in maintaining immune privilege in hair follicles and does not report new findings; the authors propose it as essential for immune homeostasis in alopecia areata.