While there aren't official studies confirming that DIM might help reverse hair loss, some people have experienced positive results and have seen a decrease in their hair loss after taking DIM supplements. This might be because DIM can balance out hormonal irregularities and inhibit dihydrotestosterone, which is the main cause of a condition called androgenic alopecia, or male pattern baldness. Dihydrotestosterone, a hormone that comes from testosterone, attacks the hair follicles, causing the hair to fall out and stop growing. Therefore, by balancing out this hormone, DIM supplements can help control acne and reduce hair loss; however, no studies have confirmed this yet.