Water retention is an accumulation of water within a tissue of the body, causing it to swell.
The orthosiphon aristatus is a perennial grass measuring 20 to 60 cm high and grows in Asia, particularly on the island of Java hence its name.
Agar-agar is a jelly-like substance, obtained from natural algae. When it consumed, he blow up in the stomach and made a gel to catch greases and sugars. Impossible to digest, he eliminated directly and doesn't stock in the body.