Is sunscreen really useful? What are the categories of sunscreen?

Sunscreen is more or less irritating to the skin, but as long as you choose a regular brand and use it correctly, the damage to the skin will be very small. So does sunscreen really work?

Does sunscreen really work?

Sunscreen is useful, of course, the premise is to choose regular and qualified products. In addition, the effectiveness of sunscreen is related to the sun protection index of the sunscreen, that is, the SPF seen on the sunscreen packaging. This value determines the duration of sun protection. If the SPF value of a product is 15, then after applying it you will not get sunburned for about 150 minutes in the sun.

What are the categories of sunscreen?

1. From the perspective of the efficacy of sunscreen, sunscreen can be divided into waterproof sunscreen, refreshing sunscreen, repairing sunscreen and anti-acne sunscreen, etc.

2. From the principle of sunscreen, sunscreen can be divided into physical sunscreen and chemical sunscreen.

What kind of sunscreen is good?

Physical sunscreen is better. Physical sunscreen refers to sunscreen that has added several types of physical sunscreens such as zinc oxide and titanium dioxide. This type of sunscreen does not put much burden on human skin and is less harmful to human skin. Chemical sunscreen contains a lot of chemical substances, which puts more pressure on human skin.

How to choose sunscreen

1. Choose a sunscreen with an appropriate SPF according to your personal needs.

2. Choose sunscreen containing physical sunscreens such as titanium dioxide and zinc oxide.

3. Perform a skin test before purchasing to avoid allergic symptoms during use.

4. Choose sunscreen from regular brands and avoid counterfeit and shoddy products.