A Randomized Evaluator Blinded Study of Effect of Microneedling in Androgenetic Alopecia

Dermal papilla (DP) is the site of expression of various hair growth related genes. Various researches have demonstrated the underlying importance of Wnt proteins and wound growth factors in stimulating DP associated stem cells. Microneedling works by stimulation of stem cells and inducing activation of growth factors.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3746236/

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