1, promoting development and cell regeneration; 2. Promote the normal growth of skin, nails and hair; 3. Helps to eliminate inflammation of the mouth, lips and tongue; 4. Improve eyesight and reduce eye fatigue; 5. Interact with other substances to help the metabolism of carbohydrate, fat and protein.

It seems that vitamin B2 can't solve the problem of oil. Eating too much is not good. Skin oil should be cleaned, but sooner or later, not too much. Otherwise, the imbalance between water and oil will be more greasy.