Masteron-P 100mgs/ml 10 ml is an injectable steroid. It is a derivative of drostanolone (DHT) and is a powerful anabolic agent. Masteron-P is both androgenic and anabolic in nature, but it is mostly used for its cosmetic properties, such as promoting an improved physiques and providing an increase in muscle density and hardness. It is used most often by bodybuilders in the pre-competition cycle to increase the appearance of muscle definition, vascularity, and hardness. Masteron-P can also be used to aid in fat loss, particularly in combination with certain weight training and cardio exercises.