How often can I use an Alpha Hydroxy Acid face mask?

I have a pumpkin facial mask that has Alpha Hydroxy Acid in it. It burns when it's on the skin but I was told it's very good for sun spots. How often should I use it?How often can I use an Alpha Hydroxy Acid face mask?
if your skin is sensitive use it once a week.





but at most 2-3 times a week if your skin isn't


sometimes it has the recommended usage on the package.

skin care