You may use sesa oil.Strong and healthy growth of your hair depends on a balanced diet.Along with the oil, you should also start taking food rich in vitamins like Vitamin B, C, A, D and minerals like selenium, zinc, folic acid, iron and protein . You also require a good amount of Omega 3 fatty acids, which keep your hair scalp hydrated. Consuming foods having any or all of these nutrients are one of the solutions to long, healthy thick hair.You can take Wholegrains, like barley, oats, buckwheat, broken wheat, ragi, bajra ,Brown rice,Legumes like kidney beans, soy beans,dark green leafy vegetables ,eggs,carrots,tomatoes,sweet potato,fruits,yogurt,walnuts and almonds.