Many people like to go out and bask in the sun when the sun is out, especially when it rains for a while and then suddenly clears up. I believe that going out to bask in the sun is the choice of many people at this time, but have you ever encountered red and itchy skin after sun exposure? In fact, this is because you are sunburned. At this time, sunscreen is a good choice. Sunscreen refers to cosmetics that contain sunscreen agents that can block or absorb ultraviolet rays to prevent the skin from tanning or sunburn. Only by effectively preventing the production of melanin and avoiding sun damage can you maintain youthful and moisturized appearance at all times. Sunscreen works by shielding the skin from UV rays. Sunscreen refers to cosmetics that contain sunscreen agents that can block or absorb ultraviolet rays to prevent the skin from tanning or sunburn. In many cases, it can play a very good protective role for our skin. Specifically, sunscreens that block ultraviolet rays generally refer to physical sunscreen ingredients. The principle is like holding an umbrella or wearing a hat, which can reflect ultraviolet rays that reach the human body. The main ingredients are zinc oxide, titanium dioxide, physical sunscreen powder 280-370nm (protection against UVA), and physical sunscreen powder 250-340nm (protection against UVB). Sunscreens that absorb UV rays generally refer to chemical sunscreen ingredients that can absorb the energy of UV rays and produce chemical reactions. There are many types of chemical sunscreen ingredients, which are introduced separately in the following ingredient column as UVA and UVB absorbers. "Preventing skin from getting tanned and sunburned" means that sunscreen must have the function of protecting against both UVA and UVB rays. When buying sunscreen, you should not only look at the sun protection factor, that is, the PA and PPD index for protecting against ultraviolet rays UVA and the SPF index for protecting against ultraviolet rays UVB, but also the sunscreen ingredients to ensure safe and effective use. So next time you encounter this situation, you should think about applying some sunscreen in advance. Don’t wait until your skin is injured to regret it. After all, the skin is our protective organ, and we should pay attention to it in many cases. Of course, there are ways to recover after sunburn. You can check it out online. |
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