3 types of sunscreens should not be used much

Sunscreen is an important product in the skin care process that helps fight negative effects from UV rays in the sun.UV rays in the sun not only blacken skin, burn but also accelerate skin aging, minimize collagen and increase the risk of skin cancer.However, there are 3 types of sunscreens that you should be careful before using it because if you abusesunscreenThis can also make the skin worse.

1. Sunscreen does not have "broad spectrum"

Sunscreen with "Broad Spectrum" means broad -spectrum sunscreens.Although you use sunscreen with a towering SPF, but it is not able to spectral sun protection, it is not enough to protect the skin.This is because the broad spectrum sunscreen is resistant to the harmful effects of both UVA and UVB rays.

UVB rays have wavelengths from 290nm to 320nm, which can cause sunburned, dark skin.UVA rays have wavelengths from 320nm to 400nm, accelerate the aging process, formation of wrinkles and dark spots, increasing the risk of skin cancer.If you choose sunscreen without a broad spectrum, they can only fight the harmful effects of one of the two types of UV rays above.

2. Sunscreen has an SPF below 50

There are many types of sunscreen on the market with SPF from 15 to 100. To use every day, you should choose sunscreen with SPF over 50. This is because the SPF (Sun Protection Factor) will be becauseMeasure UV resistance in sunscreen.SPF is calculated by the number of hours and the percentage when using sunscreen, this is also the general norm of sunscreen in the world.

Sunscreen with SPF> 50 will help protect the skin effectively when used daily.In contrast, sunscreens with SPFs below 50 will not be able to protect the skin comprehensively for a long time.You should only use sunscreens with SPF less than 50 as an additional sun protection method.

3. Sunscreen contains alcohol

Alcohol is the ingredient in sunscreen that helps evaporate, quickly dry, does not cause sticky balls.However, alcohol can make the eye, causing discomfort, should not be used for areas near the eyes.On the market today, there are many lines of sunscreen -free sunscreen, which helps protect the skin without causing stinging and discomfort.Therefore, for daily use, non -alcoholic sunscreens will be the best choice for you.

Here are some quality sunscreens that you can refer to.