Several studies have analyzed hair follicle chemistry and serum (blood) chemistry to determine differences in androgen, testosterone, dihydrotestosterone, lipases, etc. Levels between men and women, men with and without acne and women with and without acne. While these tests have determined males have more testosterone than females, there seems to be no “smoking gun” regarding irregularities between those with or without acne, with one important exception. Read the rest of this entry