How many times more sunscreen should be used indoors in autumn and winter than outdoors?

Sunscreen is used by many women to protect their skin from harm. How many times of sunscreen should be used indoors in autumn and winter? How many times of sunscreen should be used outdoors in autumn and winter?

How many times of sunscreen should be used indoors in autumn and winter

SPF15-20. The ultraviolet rays in autumn and winter are generally much lower than those in summer. In summer, the sun protection factor is usually more than 30, while in autumn and winter, the ultraviolet rays are not very high. In addition, indoors, it is enough to apply SPF15-20 sunscreen. There is no need to apply sunscreen with a higher factor. Otherwise, it will not only be a waste, but also increase the burden on the skin.

How many times of sunscreen should I use outdoors in autumn and winter

SPF20-25.

People who work outdoors for a long time can apply SPF20-25 sunscreen. You must know that the longer the skin is exposed to the sun, the faster the sunscreen will lose its effectiveness. If you apply a low-factor sunscreen, the sunscreen effect will be even smaller. Therefore, people who work outdoors must pay more attention to sun protection.

This is an introduction to the sun protection factors of indoor and outdoor sunscreens in autumn and winter. Don’t choose one that is too high.