
Watermelon is a source of lycopene, which protects the skin from UV rays.
Sunflower seeds contain lignin phytoestrogens, which prevent collagen breakdown and boost the skin's lipid barrier.

Spinach is an excellent source of vitamin C, which the body needs to manufacture sebum, an oily substance produced by the sebaceous glands. Sebum is the body's "natural conditioner," and keeps hair shiny, smooth and young looking, while preventing dryness.