Broccoli sprouts are a rich source of sulphoraphane, an organic compound that has been found to protect against tumor formation. The extract of broccoli sprouts contains a concentrated amount of sulphoraphane, and has been found to protect against skin cancer formation in mice exposed to UV radiation.
Shiitake mushrooms are a great source of Beta Glucan, a linear polymer of glucose that is often touted as the "New Retinol" for its ability to stimulate collagen production in the skin. What makes beta glucan even better than retinol is its non-irritating qualities while still retaining anti-aging benefits.
Real wasabi is difficult to find outside of Japan because it is expensive to cultivate, and the kind you find in sushi restaurants and in grocery stores is usually horseradish and green food colouring. However, the real stuff is worth the search. Dietary wasabi acts as an antioxidant, and has been shown to reduce the symptoms of contact dermatitis in mice who were fed wasabi extract.
Brazil nuts contain Selenium, an essential mineral for humans that has been scientifically shown to act as an antioxidant, have a photoprotective effect by inhibiting UV A and UV B-light-induced skin tumour formation, and prevent the formation of malignant skin lesions from drinking water with a high arsenic content.
One serving of Brazil nuts contain 544 micrograms of selenium, 777% of your required daily value!
Dandelion greens are extremely rich in beta carotene, a pigment in plants with provitamin A activity, and a dietary necessity for glowing skin. One cup of dandelion greens contain 9164 micrograms of beta carotene, and provides over 100% of your daily requirement of vitamin A.