The best way to reduce oiliness of skin is to wash your face twice in a day, preferably morning and evening. Use mild cleansers containing ingredients like benzoyl peroxide, salicylic acid, glycolic acid, or beta-hydroxy acid. Avoid harsh soaps. Use a toner as it has astringent properties. Your moisturizer should either be water or gel based. Choose an oil free sunscreen and clay mask to combat the oiliness. Laser and chemical peels also help in improving the complexion and reducing oil production.