NewslettersDermal Cell News The Potential Role of Fibroblast-derived Multi-peptide Factors in Activation of Growth Factors and β-Catenin in Hair Follicle Cells By Bob - July 4, 2022 0 Scientists investigated the stimulatory effects of multi-peptide factors-containing dermal fibroblast-conditioned medium on hair growth. [Journal of Cosmetic Dermatology] Abstract