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This question already has an answer here:

How should a standard supermarket tomato be cleaned before putting it in a green salad. Is a quick rinse under running water with light rubbing under the palm and fingers adequate?

marked as duplicate by rumtscho Jul 2 '18 at 10:32

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From a quick Google search:

you should rinse, rub the surface, rinse again, and dry.

Pretty simple, and it's pretty much what you suggested. The site claims to be getting their advice from a scientific study, and I'm inclined to believe them, but they don't provide a link.

  • I usually scrub them with a bit of washing up liquid as I know in my parts the use semi-treated waste water to irrigate the fields. Additionally if they were sprayed with an insecticide/pesticide a simple rubbing with only water probably won't be enough. – yetanothercoder Jul 2 '18 at 9:24

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