As most of the pesticides are in-soluble in water hence it cannot be removed  with simple water washing.
Highly toxic, persistent and non
degradable pesticides pose major threat to human being hence it becomes the precursor of cancer and other gastro enterological diseases.
Washing with normal water with and rubbing by hand will only remove superficial dirt, which can not remove Fruits & Vegetable Washing Gel dirt from crevices.
Only removal of toxic substances are not enough  to protect the environment Casting Virus, Fuge Bacon Fruits & Vegetable but to knock-down the devil is the only solution which Veggi care perform efficiently.