I used to make my own skin care when my kids were little and I was paranoid about using anything artificial. Back then, I'd make my own face masks from fruits.
Lots of the hot beauty ingredients originated from nature. AHAs are naturally occuring acids found in fruits, sour milk while BHA can be extracted from sugarcane. These have been used for ages to slough off dead skin cells, unclogging pores, treating acne and revealing the soft young skin hidden underneath.
Found this blog by Anna which brings back fond old memories.
Natures Home Spa: Fruit Facials / Alpha Hydroxy Acid (AHA) Masks Recipes
Here's an article I wrote too on the different fruit facials for your skin type, be it oily with acne or dry and delicate.