How long should you apply sunscreen before going out? This is the correct way to apply sunscreen

Why do many people still get tanned even though they apply sunscreen? Are you applying sunscreen incorrectly? Or is there something wrong with one of the links? Even how long before you go out to apply sunscreen is important. Now let’s take a look at the correct way to use sunscreen.

How long before going out should you apply sunscreen?

Be sure to apply sunscreen 15 minutes before going out, because sunscreen does not have a sunscreen effect as soon as it is applied. After sunscreen is applied to the skin, it needs a certain amount of time to absorb the sunscreen ingredients in the sunscreen so that it can be deposited in the basal layer of the skin to form a protective film, which can effectively block the absorption of light by melanocytes.

Make sure to use enough sunscreen

When applying sunscreen, you must pay attention to the amount used. If you don’t use enough sunscreen, you may not achieve the ideal sun protection effect. And there is a certain risk of sunburn. Generally speaking, if you apply sunscreen on your face, you will need an amount of sunscreen about the size of a one-dollar coin. Then spread it evenly on the back of your hands and gently pat it on your face.

Apply sunscreen every two hours

If you need to exercise outdoors for a long time, remember to reapply sunscreen every two hours. You will definitely sweat when doing outdoor sports, and the sunscreen will be oxidized after being exposed to and absorbed by ultraviolet rays. Once the sunscreen is completely oxidized, the skin will no longer be protected, making it easy to get sunburned and tanned. Don't believe that a certain brand of sunscreen can maintain its effectiveness for a day. Even if the PA value is high, the sun protection effect will still weaken after two hours. PA can only guarantee a certain sun protection effect for a certain number of hours.

Moisturize before using sunscreen

Before you go out and apply sunscreen, remember to do basic skin care. Because basic care can allow the sunscreen to be better absorbed by the skin, and after use, skin care products will give the skin layers of protective film, which can reduce the irritation of sunscreen to the skin. The reason why sunscreen is placed after basic skin care is that basic care can reduce or eliminate the peeling of the skin or the poor absorption after applying sunscreen.