By James E. Fulton, M.D. Ph.D. and Caroline Caperton, M.D., M.S.P.H. | July 23, 2013
... grandchildren (Figure 1). Hormones The amount of oil produced is also regulated hormonally, with higher circulating levels of testosterone generally contributing to increased amounts of oil production. However, any shift or imbalance in hormone levels ...
By Rhonda Allison | July 9, 2013
... production and thereby the mantle. Addressing sebum, tough hair, skin sensitivities, thicker epidermis and acid mantle is also important. Effective treatments and formulas will need to take into account one more component: testosterone. In the epidermis ...