This summer is the hottest in history, which has caused netizens from all over the country to make fun of this summer, with spoof videos such as frying eggs on the ground, hatching chicks from live pearls, and Houyi shooting the sun... The live pearls with a shelf life of 15 days hatched chicks in just a few days Source: Weibo The most frustrating thing is that an African man in Jinan had two different skin colors on his arms due to the sunburn! He said that Jinan is hotter than Africa! This shows that the African brother is not "black enough" Source: Shanxi Media The weather is so hot that it not only makes people feel very tortured, but also greatly increases the risks to the body, such as heat stroke and sunburn without knowing it! Sunburn not only causes "redness, heat, and pain", but can also cause skin tumors. Long-term or particularly strong ultraviolet exposure can cause skin DNA damage, which can lead to gene mutations. Years of long-term exposure or repeated sunburns with particularly strong intensity may cause skin tumors in five to ten years. Repeated, low-intensity sunlight exposure can also increase the risk of skin aging. Although the concept of sun protection is now well known to the public, sometimes people often overlook some key points of sun protection. Generally speaking, sunscreen should be reapplied every 2 hours , but if you have makeup on your face or are sweating, you may forget about reapplying sunscreen. In short, even if you take sunscreen measures before going out, you may still get sunburned after going out. How can you protect yourself from the sun to avoid getting sunburned and avoid the "dark skin-only summer"? 1 Prevent tanning and sunburn Ultraviolet rays are the biggest killer of the skin. Not only do they cause sunburn, they can also make you tanned, ugly, and cause some skin problems. "Sunburn makes you age faster" is no joke. The wrinkles, freckles, age spots and even some skin cancers on our faces are caused by excessive ultraviolet rays. In special cases, artificial light sources containing ultraviolet rays can also cause sunburn, such as tanning beds. Occasional, short-term sun exposure in daily life generally does not cause sunburn. As the saying goes, knowing yourself and knowing your enemy, you can win a thousand miles away. When ultraviolet rays appear in large quantities, you must adhere to the principle of "you can't afford to provoke it, but you can afford to avoid it" to reduce the probability of a head-on confrontation with it! You have fair skin and beautiful looks, even ultraviolet rays are jealous! The whiter the skin, the higher the risk of sunburn! People with dark skin have more melanin in their skin. When exposed to ultraviolet rays, they will produce a large amount of melanin to absorb ultraviolet rays and prevent them from damaging internal tissues. Image source: Wikipedia Therefore, the darker the skin color, the stronger the skin's ability to defend against ultraviolet rays, and the skin is relatively less susceptible to aging and damage. It is dangerous when ultraviolet rays are abundant! Ultraviolet rays are most likely to appear between 10 am and 4 pm, when the sun's ultraviolet rays are the strongest, so when doing outdoor activities, try to avoid this time. You love vacations, and so does UVA. The intensity of ultraviolet rays is related to time, latitude and altitude. The closer to the equator, the higher the altitude and the brighter the sun, the easier it is to get sunburned. So when you are in sunny, warm or high altitude areas, or when you are at the seaside, desert or snowy mountain enjoying the magnificent nature, ultraviolet rays are with you! And the reflection of ultraviolet rays will be stronger after passing through water, sand and snow. Snow blindness is also a kind of sunburn - corneal sunburn or solar eye inflammation. Can ultraviolet rays swim? Swimming is essential in summer, but do you think you can escape danger by hiding in the cold water? You are totally wrong! Ultraviolet rays are reflected in water and can penetrate water depths of more than one meter. The reflection of sunlight by water will increase the intensity of the radiation. If you use non-waterproof sunscreen, the sunscreen may be washed off. Therefore, we can choose oily sunscreen or swim indoors. 2 Sunburn is easy to ignore People may still have a vague understanding of the symptoms of sunburn, thinking that if there is no pain or itching, there is no sunburn. This will lead to not taking care of the skin in time after sunburn, causing skin damage. The severity of the sunburn may continue to increase without you realizing it until someone else reminds you of it. Bai Baihe once posted a photo of her sunburned face Image from Weibo Sunburn can be roughly divided into mild sunburn and severe sunburn. Generally speaking, the signs of mild sunburn include redness, heat, and pain: Red: The skin color changes, such as pink or red, with a clear boundary with normal skin, or even slight peeling. Heat: Touching the skin and feeling the surface temperature increase, higher than the area not exposed to the sun; Pain: The skin has a certain pain sensation, which is more obvious when touched. You may have a serious sunburn if you: Tingling: Tingling when touching the skin, or dry, painful eyes; Blisters: Blisters appear on the local skin, some of which may rupture and leak water; Discomfort: Symptoms other than skin symptoms such as fever, headache, nausea, and weakness. 3 Don't apply Vaseline after a sunburn Once you find yourself sunburned, you need to take emergency measures immediately to avoid skin damage or even serious skin diseases. Generally, there are four steps: quickly avoid sunlight - cool the skin - replenish water - use skin care products or seek medical attention in time. You also need to be careful when cooling the skin. You should not apply ice directly to the skin. Instead, you should use a wet towel or shower with a gentle stream of water to avoid frostbite and secondary damage to the skin. You can also use aloe vera gel. Aloe vera gel has an antioxidant and repairing effect. When the skin is slightly red and swollen, you can use aloe vera gel to relieve it. If the skin is particularly sunburned, the area is particularly large, or even blisters appear, it is not suitable for use. Image source: Wikipedia In addition, some unreliable methods should be avoided when treating sunburn. For example, when sunburn first occurs (acute stage), it is not advisable to apply vaseline on the sun-exposed area; do not pop blisters; and do not forcibly tear off the skin that is about to fall off. Do not use other ointments or vegetable oils randomly, because after sun exposure, you may sweat a lot and your skin may be dehydrated. Vegetable oils are not only useless, but may also cause damage and form pigmentation spots. If you have a severe sunburn, you should consult a doctor immediately! Sunburn is easy to repair but difficult to heal. You should take sun protection measures in advance when going out in summer! END Tadpole Musical Notation original article, please indicate the source when reprinting Editor/Xiao Xitushuo |
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