Sorry, meant to come back to you. I googled things that are prohibited by the Royal Mail and it said absolutely not to perfume/aftershave/alcohol but when I asked on the MSE forum they directed me to a different RM page which says you can send up to 150ml per bottle, no more than 4 bottles per box AND you must tell the post office and get a special sticker from them (it's free) for your parcel. You've probably seen it on your boxes. It's like a big diamond.
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Thanks op, heat added
I only ever order my perfume online and it gets sent to me no problem ?