Eat iron and protein rich diet. Google. Exercise for 1 hr daily. 6 days a week. Use mineral oil, liquid paraffin free hair oil, sulphate free shampoo and silicone free conditioner.

From my experience, Sunsilk gave me bad hair Im using dove now which is good Or u can try using shikakai powder Whn u oil ur hair, massage ur scalp by bending ur head down for 4-5 mins