Mix 1 table spoon of mustard powder with a little bit of warm water to make paste, add 3 table spoons of olive oil and then add one egg. After you’ve applied this mask evenly all over the roots of your hair, put on a shower cap. Keep the mask on for about 20 or 30 minutes, depending on how you feel. After doing this mask wash and condition your hair as usual. Do once a week for about 7 weeks.