EGG MASK:   Eggs are rich in sulphur, phosphorous, selenium, iodine, zinc and protein, which together help promote hair growth.     To prepare the mask,  1. separate one egg white in a bowl and add a teaspoon each of olive oil and honey.  2. Beat to make a paste and apply it all over from root to tips.  3. After 20 minutes, rinse with a mild shampoo.