Edible Exfoliator

On this cotton ball is an alpha hydroxy mask I made based on a recipe I jotted down from a magazine I was reading in a waiting room a few months ago. It was from the author of this book, which I'm making a mental note to flip through next time I'm at a book store. The recipe for the mask is this:

Ingredients:
1/4 cup lemon juice
1/4 cup orange juice (the original recipe actually called for grape juice)
1/4 cup apple juice
1/4 cup sugar
Directions:
Combine all ingredients and stir until sugar is dissolved. Apply to face using a cotton ball and leave on for 10 minutes or more, then rinse off. Refrigerate the remainder and use before it goes bad (1 week?).
*I used all fresh juices (with the help of a juicer), but bottled could be used, too.

I just did an internet search for homemade face masks and now my head is swimming with more ideas! Finally, a use for sour milk!