Can't I block UV rays with just a sun cushion?

In my hand not buried without Correct I wanted to At Cash Deal purchased It's a sun cushion.

 

AHC SAFE ON CICA CALMING SUN CUSHION

 

daub comfortable and It's moisturizing It's good, though. indeed like this watery thin Even though I'm getting beaten ultraviolet rays block The effect whether The question I heard it.

 

SPF50+ PA++++ said What is done If you look The effect It exists It seems like it was done product explanation If you look ultraviolet rays block The effect is It's not written It didn't work.

 

subsidence , moisturizing , Cooling Only the back emphasized and particular Even in the explanation Below together ultraviolet rays Blocking is Written It's I don't .

 

 

UV rays by subsidence only a part emphasized It's block The itself It is not specified It's not working out.

 

With just this ultraviolet rays Block Expecting difficult Could it be? ?

It's comfortable I bought it Blocking effect If not Additionally You have to reapply You're doing it, aren't you? ㅠㅠ ?