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.
Lavender oil can help scalp conditions, says Francesca Fusco, MD, a New York City-based dermatologist. To make Dr. Fusco's gentle dandruff remedy: Wet hair with warm water and towel dry. Next, grab a mug and mix 15 drops of lavender essential oil (available at drugstore.com) in 2 tablespoons olive or almond oil. Microwave for about 10 seconds or until it feels warm.