http://www.ncbi.nlm.nih.gov/pubmed/19416266
l-Ascorbic acid 2-phosphate promotes elongation of hair shafts via the
secretion of insulin-like growth factor-1 from dermal papilla cells
through phosphatidylinositol 3-kinase.
Kwack MH, Shin SH, Kim SR, Im SU, Han IS, Kim MK, Kim JC, Sung...