Phytonutrients are natural chemicals or compounds produced by plants that give them their rich colors, and keep them healthy - protecting against the sun and harmful insects.
Phytonutrients also have antioxidant and anti-inflammatory properties that help support healthy skin, promoting collagen production, fighting free radicals and improving cell function. Diet is important in ensuring you have adequate phytonutrients (the advice is to "eat a rainbow" of varied, colorful fruit and vegetables everyday), but phytonutrients are also present within skincare.