Citrus Fruits. Citrus fruits, particularly lemons, which contain vitamins A, B and C as well as calcium, phosphorus, potassium and fiber, are blood-cleansing foods.
Another great way to reduce oil production in the scalp is by breaking up the grease before it gets into your body. To do this, every morning drink 1 pint of warm water with the juice of 1 lemon squeezed in. Add to this 1 pinch of himalayan salt, and half a teaspoon of cayenne pepper.
1. Lemon Juice. 1  Take 2 lemons and squeeze it to make the juice. 2  Dilute the lemon juice with 2 cups of water. 3  You can use honey with it to maximize the benefits. 4  The mixture should be applied on the scalp and hair. 5  After 5-10 minutes, use warm water to wash those areas.