Topical testosterone most commonly causes skin problems like itching or rash. In those with female anatomy, specifically, it can cause unwanted hair growth, acne, or birth defects in pregnant people.

I IMAGINED IT AS A SWEET, TRANSPORTING OSMOSIS, A VITALIZING GEL THAT WOULD SEEP THROUGH MY SKIN AND INTO MY AND INTO MY BLOODSTREAM, AWAKENING THAT OLD BLACK MAGIC I NO LONGER KNEW VERY WELL BUT ...

Axiron, an underarm gel that rolls on like deodorant, is one drug used by men struggling with symptoms of growing older associated with low testosterone such as poor sex drive, weight gain and fatigue ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Ryan Knutson: Like a lot of men, my colleague Rolfe Winkler and I get bombarded ...