This is when the old hair strand becomes disconnected from the follicle, making room for new growth
Factors favouring transdermal absorption are high lipid solubility and a good regional blood supply to the site of application (therefore, the thorax and abdomen are preferred to limbs)
[DOI] [PMC free article] [PubMed] [Google Scholar] 24.Sikiric P., Sever M., Krezic I., Vranes H., Kalogjera L., Smoday I.M., Vukovic V., Oroz K., Coric L., Skoro M., et al
Mechanistically, GHK-Cu appears to act through several pathways: Collagen and elastin remodeling: Gene array work by Finkley et al., reported in the second edition of Cosmeceuticals and Active Cosmetics (Taylor and Francis, 2005), examined GHK-Cu effects on human fibroblast cultures across a nanomolar to low micromolar concentration range and found upregulation of decorin, collagen, and elastin-associated genes