Most men will not experience this side effect, but it is worth noting for those that are sensitive to Progestin. For those who are sensitive, it is a good idea to have an Anti-Estrogen on hand. Trenbolone is a highly androgenic hormone. What does this mean. There is a Androxy possibility that a user of Tren Ace will Fluoxymesterone acne, rapid hair loss for those with male pattern baldness and oily skin. To combat such effects, keeping a good facial cleanser in your medicine cabinet can help to prevent outbreaks of acne and keep the oily skin to a minimum.