One of the best home remedies that helps brighten your face/skin is potato juice. Apply raw potato juice or potato skin on the skin. You should also consider exfoliating at least once a week to help remove dead skin cells and brighten your skin. Mix two tablespoons brown sugar, a quarter cup of milk and two tablespoons oatmeal; stir the mixture until a paste forms. Scrub this mixture gently onto your face rinse, and moisturize. A balanced diet will certainly give your skin a healthy glow. Drink plenty of water to keep your skin/face blemish free. Avoid excessive consumption of oily foods.