The loofah/luffa is a vine-grown member of the pumpkin, squash and Cucumber family. 
Benefits:
It exfoliates the skin
It improves blood circulation of the skin 
Aides in helping the skin stay firmer and smoother
Does not cause inflammation,irritation, or breakouts
(Caution: this is a organic natural product that is biodegradable and it  is best to replace every 1-2 months )