Increase your Vitamin C intake. This enhances skin color and suppleness. This will help keep your skin strong by maintaining its basic support structure—collagen. You can increase Vitamin C intake by:

 

Eating more foods that contain Vitamin C. This includes citrus like lemon,orange,gooseberry,etc.Fruits/juices, strawberries, sweet peppers, tomatoes, cantaloupe, and green peas. Taking Vitamin C pills. If you chose to do it this way, you should take 250 mg/day. Do not go beyond this amount.

Eat more Vitamin A. Since your skin is basically composed of Retinol, which is Vitamin A, this will help keep your skin healthy and strong. If you feel your skin is weak or not tight enough, that usually suggests a lack of Vitamin A.

 

Foods that are high in Vitamin A include nonfat milk, oysters, and egg yolks. [1]You can also get Vitamin A by eating foods that are high in beta carotene, which will help minimize the effects of sun damage to your skin. These include carrots, watermelon, papaya, tomatoes, or other dark colored produce.

Minimize your exposure to sunlight and pollution. Apply sunscreen with a minimum of SPF 15 whenever you are outdoors. UVA/UVB rays are known to be harmful to your skin because they slow down your body's ability to repair damaged skin cells and clear dead ones. Pollution is also a major cause of acne and dull skin tone.

 

  Use skin lightening products — with care. Skin lightening products with hydroquinone or kojic acid