Is sunscreen waterproof? Can sunscreen prevent tanning?

It doesn't mean that the higher the SPF, the better. You should choose a suitable SPF according to the environment and weather. So is sunscreen waterproof? Can sunscreen prevent tanning?

Is the sunscreen waterproof?

Some sunscreens are waterproof, while others are not. If you go to the beach, it is recommended to use a waterproof sunscreen. The main function of sunscreen is to prevent ultraviolet rays from directly contacting the skin, which would cause tanning and sunburn. Waterproof sunscreen is very effective and will not be easily washed off even if you go to the swimming pool or the beach. However, you cannot rub the sunscreen with your hands. If you rub the sunscreen, it will still be wiped off. It is recommended to reapply sunscreen every 2 to 3 hours.

Can sunscreen prevent tanning?

Yes, all sunscreens on the domestic market can prevent tanning, but the effects vary. The main function of sunscreen is to prevent tanning, sunburn, and protect the skin from the harm of ultraviolet rays. Therefore, we need to do a good job of sun protection every day, and when purchasing sunscreen, we should choose the best one according to the usage scenario.

Should I use sunscreen all year round?

Sunscreen should be used all year round. Sunscreen is mainly used to prevent ultraviolet rays from damaging the skin. We apply sunscreen every day because there is ultraviolet rays in spring, summer, autumn and winter, so it is best to develop the habit of applying sunscreen every day. According to the intensity of ultraviolet rays in each season, you can choose sunscreen products with different SPFs. In summer, the ultraviolet rays are strong, so use sunscreen with a higher SPF. In spring, autumn and winter, use sunscreen with a lower SPF. Don't burden your skin.

Can sunscreen and sunscreen spray be mixed together?

Sunscreen cream and sunscreen spray can be used together, but it also depends on what kind of sunscreen they are. Chemical sunscreens and physical sunscreens may conflict. Many people will spray sunscreen spray after applying makeup. Sunscreen cream and sunscreen spray can be used together. Only when the sun protection is done properly can you completely block ultraviolet rays. After the sunscreen film is formed, use the next one. This will not affect the sunscreen effect. Do not mix two sunscreens that are not suitable for use together.