Insta Glow Face Serum: Pineapple contains enzymes (called bromelain) that make skin elastic, improve skin hydration, and removes damaged and dead cells. Thus, it helps to achieve a clear and glowing complexion. Watermelon is rich in antioxidants. Vitamin A, B and C present in Watermelon keep the skin fresh, radiant and hydrated. The acids in the fruits act as a natural exfoliant helpful in removing the blemishes on the skin. It improves the skin elasticity as well.