Apply a barrier cream first, followed by sunscreen.

Barrier creams brighten your skin tone and correct some of the dullness and imperfections. Many barrier creams come with moisturizers that make your skin tone look more even when applied evenly, and can fix some of the dullness or redness. Applying sunscreen after using a barrier cream creates a protective film between the sunscreen and your skin, protecting your skin from direct contact with the sunscreen.

The direct use of sunscreen is harmful to the skin. The higher the SPF, the greater the damage, and it is easy to cause skin allergies, so you should use an isolation cream before using sunscreen to form a layer of isolation between the skin and the sunscreen.

There is a difference between isolation and sunscreen

1, the order of use is not the same.

Segregation cream it inside the molecules will be relative to the sunscreen more fine, so more able to protect the skin, so in the use of the time, or first apply the isolation cream and then together with the sunscreen.

2, the use of different conditions.

Ultraviolet rays are actually not strong places, there is no need to use sunscreen so powerful things. Just need to apply a thin layer of isolation, can be very well protected skin. But there are some long-term need to be in the sun or by ultraviolet radiation is more powerful work, it must be coated with sunscreen, according to the day of the ultraviolet index to choose the appropriate concentration of sunscreen