Decaphenylbol -This ester said to be a fast release and long acting compound. Will break down to more potent metabolite in androgen target tissue. There for it is far less likely to cause unwanted androgenic side effect. Basic androgenic side effects are oily skin, acne, body or facial hair growth, aggression and accelerated hair loss.Side effect are mild due to liver can convert Nandrolone to estradiol. But there are still some strong occurrences oily skins, acne, body or facial hair growth, and hair loss are very rare.