You can use permethrin containing hair shampoo to get rid of the lice problem
For dandruff if you are using any oil you have to stop it.
You can use candid b lotion and noskurf lotion alternate nights for 2 weeks .Wash off the noskurf lotion with a scalpe shampoo or any Ketokonazole nd ZPTO shampoo.
Next Steps
Dandruff is not a completely curable condition. It occurs on and off depending on our stress sleep and even our other illnesses
Health Tips
Dandruff is a condition associated with oily skin.No one can completely cure . but it can be kept under control. A healthy and happy life style assists you a long way in keeping it under control