You are here: Home Replies Reply To: How to treat Dandruff? Reply To: How to treat Dandruff? March 8, 2017 at 7:06 am #3360 Ashish KulkarniParticipant My mom gives me castor oil, lemon juice and garlic mixture to apply on scalp. I do this every Sunday and my dandruff has reduced a lot. Also, she encourages me to use only Shikakai paste for hair.