The higher the number of sunscreen, the better the barrier?

Cosmetics

If you look at the sunblock, there's a number like 50 on it.

The higher the sunblock, the better the blocking effect


  511 3   7 years ago

pu1. It's not blocking, it's the duration


2018-01-28

pu2. I think the longer it lasts, the better. But the worse the ingredients are, so it's better to use a lower one


2018-01-28

pu3. Normally, you have to put on sunscreen every 2 hours, but if you do that, you can use a size 15


2018-01-28


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