Photosensitive foods include lemons, oranges, parsley, leeks, etc. Photoreceptor food refers to a certain type of food containing photoreceptor factors, after ultraviolet radiation, easy to make the skin allergies, inflammation, hyperpigmentation and other phenomena. Light-sensitive food mainly includes lemon, orange, parsley, celery, spinach, etc., a large number of such food, after ultraviolet radiation will accelerate the skin melanin deposition. Therefore, in order to avoid hyperpigmentation, you can try to choose to eat these foods at dinner, when the sun is strong, go out and pay attention to sun protection, the use of sunscreen, sun hat to avoid ultraviolet radiation, you can reduce the adverse reactions caused by photoreceptor food. If you want to avoid tanning, in addition to reasonable consumption of photoreceptor foods, you should strengthen sunscreen, sunshade and other sun protection measures.