Is the sunscreen spray chemical or physical? How to use expired sunscreen spray?

Sunscreen products are all-encompassing, and sunscreen spray has won a lot of praise for its easy operation and convenience. So, did you know that sunscreen spray, like sunscreen, also has chemical and physical differences? Let’s take a look together.

Is sunscreen spray chemical or physical?

There are both physical and chemical sunscreen sprays, but when using physical sunscreen sprays, it is easy for the physical sunscreen agents titanium dioxide and zinc oxide to be absorbed into the body. Sunscreen sprays with physical sunscreens are mostly thicker and more suitable for dry and neutral skin, while sunscreen sprays with chemical sunscreens are suitable for all skin types, especially oily skin.

How to use expired sunscreen spray

If the sunscreen spray has not been opened but has passed its shelf life, the effective sun protection ability of the sunscreen spray will be reduced. If you can't bear to throw it away, you can use it to spray your body, but you must increase the amount of sunscreen spray so that the sunscreen spray can exert its proper sun protection value.

Benefits of Sunscreen

The most important function of sunscreen is that it forms a protective film on the skin after application, thus isolating ultraviolet rays. Avoid direct exposure to ultraviolet rays to your skin, which may cause it to turn darker or yellower and even start to age and develop spots. There are two types of sunscreen: physical and chemical. The two types work on different principles, but both are very effective in isolating ultraviolet rays.

The effect of isolation cream

Separation cream, in fact, separation cream also has the function of blocking ultraviolet rays, but this is not the most important aspect. The most important function of separation cream is to cooperate with liquid foundation to even out skin tone. Some brands of separation cream are more powerful and can also have whitening and moisturizing effects.