No not at all. Excessive masturbation over a long period of time damages penile tissues and vessels in many ways. The motion of masturbation is usually more aggressive than that of the wet physical contact of sexual intercourse. The excessive rubbing and subsequent abrasions from over masturbation can result in detriment condition, known as Peyronie's Disease (Curvature of Penis).
Consult a proper Ayurveda
doctor and start medications. Ayurveda medicines and oils repairs the damaged tissue of penis thus making them hard and strong during erection. Oil massage with proper techniques decrease the unnatural bend or curvature of the penis making it close to straight alignment.