Isdin Lambdapil Anti-Hair Loss Lotion Spray contains a set of ingredients that help the physiological process of hair growth.�Procapil and Diaminopyrimidine Oxide, in particular, promote nutrition of the hair follicle to delay inactivation, which is a major cause of the onset of miniaturization of the follicle and subsequent premature hair loss that can lead to baldness in certain areas of the head.