The deep-purple skin gets its rich color and anti-aging power from nasunin, a nutrient that helps fight the spread of cancerous cells by cutting off the blood supply they need to multiply. Research also suggests that nasunin may slow the development of Alzheimer’s disease by preventing free radicals from damaging neurons.

3. Papaya

Whether eaten or used topically, papaya can work wonders on your skin. It is a natural complexion toner and fights the formation of wrinkles while its Vitamins A, C, and E will nourish the skin.

4. Kiwi

The strong antioxidant compounds in this little green fruit firm the skin and delay the formation of fine lines and wrinkles. This is mostly due to their high Vitamin C and E content which help reduce skin damage due to free radicals.