Vitamin D receptors are expressed in hair follicles, and deficiency impairs the transition from telogen back to anagen
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Hoffman-La Roche Ltd Basel, Switzerland This article was underwritten, in part, by a grant from Bayer Consumer Care AG, Basel, Switzerland
In lab and clinical research, its been observed to activate fibroblasts (the cells that produce collagen), increase glycosaminoglycan synthesis (which helps skin retain water), modulate matrix metalloproteinases (MMPs, the enzymes that break down old tissue), and act as a copper cofactor in antioxidant pathways