Sihaiwang: sunburn is also known as sun dermatitis. Due to excessive sun exposure and neglect of sun protection, melanin pigment in the bottom layer of the skin increases and gradually accumulates on the surface of the skin. Sunburn can fade slowly through later period, so how should sunburn be eliminated? Will sunburn fade by itself?
How is sunburn formed
1. There will be a melanocyte in the epidermis of the skin, if it is activated in a certain environment. It will release melanin and eventually form a stain. Ultraviolet light in the sun will directly affect the formation of melanin. Ultraviolet light activates the leucine enzyme in melanoblasts, and through a series of reactions produces a substance called dopa, which eventually transforms into melanin.
2. Toxins in the skin activate cells. At the same time, it will produce a series of oxidation reactions with the enzyme, which will generate DOPA and release melanin. In life, there are all kinds of pollution, radiation, smoke and other conditions will aggravate skin oxidation.
3. In daily life, it is polluted by sunshine. These external threats will make the cells appear inflammation, in order to be able to repair the inflammatory skin cells will naturally secrete a kind of tetraenoic acid. This substance can activate the enzyme to a certain extent and promote the formation of melanin.
4. There are many factors that cause skin irritation. Therefore, the substances that can be avoided at ordinary times must be avoided, so as not to accelerate the oxidation of the skin, resulting in the phenomenon of melanin.
Can sunburn disappear by itself
After sunburn, if it is some small spots, it will gradually fade itself. It takes a long time to fade away. Usually, it needs to wait until the ultraviolet rays weaken in autumn and winter, and the growth rate of melanin will slow down at this time. However, the disappearance of spots is also related to personal metabolism and skin quality. If the sunburn is serious, many spots will remain on the skin, which will fade slowly. In most cases, it can only fade but not disappear completely.
If you want the sun spots to disappear completely on your face, you may need to use some auxiliary products. But most of the freckle removing products contain a lot of hormones. Although the spots can be removed quickly at present, after a period of time, if you do not continue to use the product, you will find that the spots rebound back, and the color is deeper than before. In fact, no matter children or adults, sun spots are easy to form after exposure to the sun. In order not to reduce the value of their own face, usually must do a good job in sunscreen.
How to eliminate sunburn
1、 Take vitamins. Vitamin C can dilute and reduce melanin. Vitamin E has the function of antioxidation and inhibition of melanin precipitation and regeneration. Both vitamins help people get rid of sunburn.
2、 Skin care at night. Want to remove sunburn friends, should pay more attention to the evening skin care steps. On the premise of thoroughly cleaning the face, a special night soothing cream is needed, which can improve the dryness of the skin. If you can use skin care facial mask and whitening cream, multiple repair effects are better.
3、 Add vinegar to wash your face. When washing your face every day, if you can add two spoonfuls of vinegar into the water, the acidic ingredients in the vinegar can make your skin blood vessels expand, increase your skin's ability to absorb nutrients, and reduce the effect of sunburn.
4、 Diet reduces sunburn. There are many foods that have the effect of lightening spots, such as carrots, lemons, tomatoes and so on. It can inhibit melanin deposition and play the role of light spot.
5、 Drugs, technology freckle. Now on the market there are some oral liquid and ointment for external use, which can be used to remove sunburn under the guidance of doctors. Secondly, through some medical and aesthetic means to help beauty lovers get rid of sunburn.
Prevention of sunburn
1. Avoid prolonged exposure to the sun. In outdoor activities, you need to wear long clothes and sun hat, which can prevent skin from sunburn. In case of sunburn, handle it in time.
2. Eat more fresh fruits, which contain vitamin C and vitamin B12. It can weaken and prevent the harm of ultraviolet rays to the skin. It can also promote the degradation of melanin and make the skin recover elasticity.
3. If the temperature outside is higher than 25 & deg; the outdoor activities must be prepared to avoid light. Especially from 10 a.m. to 2 or 3 p.m., the sunshine is the strongest, and the ultraviolet ray is also the most powerful. Therefore, you must not go out during this period. If you have to go out, you'd better wear sunglasses, such a hat or sunshade umbrella, and you can wear long sleeved clothes made of cotton and hemp for sunscreen.
4. When you go out, choose Sunglasses with large mirrors, which can cover the skin around the eyes. And the lens should choose dark lens, so the sun protection effect is very good.