Question: how to use qist al hindi?
Answer: As a skin treatment: 1tsp Costus powder, 1tsp Honey, mix together and apply to the skin surface. Leave for 2 hours and then rinse off. It is used to treat; acne, pimples, spots, scars, burns, nappy rash, mosquito bites, eczema, thrush, piles and as a face mask.