Liquids were still limited to 100ml and in a separate clear plastic bag at both Manchester and Liverpool airports on my recent trips. The only difference is that now you don’t have to take the clear bag out of your hand luggage. The proposed removal of the 100ml limit seems to have been delayed.
It’s a bit hit and miss what’s going to happen on your return. At Corfu they wanted electronics and liquids out of your bag, Turkey is different anyway as there’s three lots of security but I think it was just electronics out of the bags at the second and random checks at the third.
I took my MJ pen in an insulin travel chiller pack with no box and with a separate insulin needle and it got no attention at all but as it’s black and slid invisibly into the side pocket of my backpack it would only have been spotted by the scanner. Even if you do get a random search they just shuffle things around in your bag a bit to look for the thing they weren’t sure about (in my case my travel water flosser) and swab the interior.
Our flight back from Turkey on Friday was like being in a post-op ward. I think I was the only woman who hadn’t had lip filler. I saw some truly dreadful examples of it as well.