Unless they become a real problem I don't bother too much, you rarely find them on leaves after picking as the little beasts jump ship pretty quickly. One remedy, apparently, is to coat some card with sticky stuff (honey would probably do) and pull it over the plant gently. Can't vouch for that as I haven't tried it
"The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it." Sir Terry Pratchett
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It seems vaseline works
https://forum.gardenersworld.com/discussion/comment/2208142#Comment_2208142