The True Effects of Sunscreen

Do you know the true effects of sunscreen?

I understand that sunscreen is usually applied only outdoors.

But the result I came out of watching videos about sunscreen lately

Experts say that it is good to apply sunscreen even indoors.

You must apply it outdoors to block UV rays, but

It is said that a certain amount of ultraviolet rays is emitted even indoors.

If you want to drastically prevent skin aging

I recommend trying it on indoors as well.

Actually, I don't apply it indoors because it's a hassle lol