* Jung et al., International Journal of Dermatology (2014). Thirty-five Korean men started oral dutasteride 0.5 mg daily; 31 completed six months. Twenty-four improved: 17 slightly, six moderately and one markedly. No placebo or concurrent comparison group. Transient sexual dysfunction was reported in six of 35 participants. Preliminary findings in selected men, not proof of superiority or results for topical blends. The study product and strength may differ from your prescription; the study dose is not an instruction for use. For 18.9%: Original source. Jung et al., International Journal of Dermatology (2014), abstract Results. Thirty-one completers among 35 Korean men with pattern hair loss and limited response to finasteride; oral dutasteride 0.5 mg/day for six months. Mean hair shaft thickness increased from 0.053 to 0.063 mm, reported as 18.9%. No concurrent control. Same selected cohort as the 77.4% photographic improvement result; most photographic improvements were slight. The abstract does not separately state the number assessed for hair thickness.