No matter how many skin care products you apply to the outside of your skin, if you aren't eating healthy food to nourish your skin from within. Best way to rejuvenate your skin is to consume fruits and apply a fruit mask every alternate day. Want to know which fruits to eat and which ones to apply? .. Consume more veggies, fruits, fish oil, and nuts and drink enough water to keep. Fill up on these delicious summer foods to stay healthy in the summer. your risk for health problems such as dehydration, skin sensitivities.