Sunscreen refers to taking some measures to block or absorb ultraviolet rays in order to prevent the skin from being tanned and sunburned.
General sun protection methods: apply sunscreen products, use sunscreen clothing and other items, eat sunscreen foods, etc.
Sunscreen products are divided into physical sunscreen, chemical sunscreen, and biological sunscreen; among them, the level of SPF can reflect the UV protection ability of sunscreen products.
1. When the sun
is strong, wear dark clothes instead of white.
White clothes only reflect heat, but do not block UV rays.
2. When exposed to the scorching sun, you can wear a wide-brimmed light-colored sun hat and umbrella.
3. Wear sunscreen or sunscreen clothing to protect the skin.
Seasonal sun protection
1. In spring, the sun is relatively soft. You can choose a sunscreen with an ordinary sun protection factor, usually around SPF15.
2. In addition to sunscreen, you can also try sunscreen.
1. Repeated application of sunscreen,
sweating or wiping with a towel will reduce the sunscreen effect. Repeated application is not to get new protection, but to maintain the sunscreen effect.
Any skin care product, even just water, will affect the function of the sunscreen as long as it is covered on the sunscreen, so it is necessary to reapply the sunscreen after swimming or sweating.
2. Avoid going out at noon.
In summer, when the intensity of ultraviolet radiation in sunlight is the highest from 10:00 am to 14:00 pm every day, you should avoid or reduce going out.
3. Use of
sunscreen The protection of sunscreen depends not only on the level of sunscreen ingredients and coefficients, but also on the thickness and uniformity of wiping.
1. Pay attention to your diet, eat more fruits and vegetables and other sunscreen nutrients.
2. Choose the right sunscreen.
3, pay attention to repair after sun exposure.
The light sunscreen system
absorbs, reflects and refracts ultraviolet rays by the structure of each layer of the skin.
Sunscreen products refer to cosmetics that add sunscreen agents that can block or absorb ultraviolet rays to prevent skin from being tanned and sunburned.
sunscreen products can generally be divided into physical sunscreens, chemical sunscreens and biological sunscreens.
It can also be divided into sunscreen, sunscreen lotion, sunscreen oil, sunscreen stick, sunscreen gel, sunscreen stick, etc. according to the dosage form of sunscreen products.
Half an hour before going out, evenly apply the sunscreen product to all parts of the skin, and the amount should not be too small.
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