I want to know the difference between skin booster and cosmetics.

These days, as I get older, I feel the importance of skin care.

As I have to continue my social life until late, I have questions about this and that.

I'm thinking of using a skin booster, but I want to know exactly what the difference is between it and cosmetics.

And after using the skin booster, will there be any marks left on that area later? And what is the expiration date of the skin booster?

How much is it roughly?