A popular beauty solution from India for hair growth is with native herbs is as follows :
Method of preparation
Heat one table spoon of castor oil. Make it as hot as you can tolerate when applying on the head.
Method of application
Apply the hot oil all over the scalp. After two hours, wash off with shoe flower shampoo or green gram powder (a herbal shampoo). Keeping the oil on overnight and washing off the next morning is most effective.