DPCs: Dermal Papilla Cells, ORSKs: outer root sheath keratinocytes, IRSKS: Inner root sheath keratinocytes, BS: Basal Sebocytes, DS: differentiating sebocytes, MS: mature sebocytes, AR: androgen receptor, HF: hair follicle, SF-1: steroidogenic factor 1, SREBP-1: sterol response binding protein-1, DAX-1:dosage-sensitive sex-reversal-adrenal hypoplasia congenital critical region on the X-chromosome, gene 1, ERR: estrogen-related receptor, ERα/β: estrogen receptor α or β, PR: progesterone receptor, GR: glucocorticoid receptor, MR: mineralocorticoid receptor,