Hairs becoming white. Therapy for hairs?

The natural colour of hair is due to the cells in the hair follicles known as melanocytes which generate a pigment which gives colour to the hair. When melanocytes stop producing these pigments, due to increasing age,decreased nourishment,protein deficiency etc your hair starts to lose its natural colour which leads to graying of hair. Though one cannot prevent the natural cycle of whitening of hair, but you can always prevent your hair from premature graying...hair loss may be androgenic alopecia which is due to excess of male hormones...or telogen effluem...try to have healthy diet at regular intervals,drink more water,manage stressful situations smoothly if possible avoid them,biotin supplements helps you...you will require topical agents like minoxidil which will maintain hair density and also helps in new hair growth...consult dermatologist they will do the needful..