But Dr Hamed says dissolver can take up to 72 hours to develop and it's 'impossible to predict where it will spread', meaning Katie will have no idea how her lips will look in two weeks' time. He explained: 'I have an issue with this trend being promoted as a new and natural technique, which it isn't and it's incredibly unsafe. 'If a complication happened in my clinic, I would dissolve the filler right away. Here, you have already put dissolver in the lip so you're going to mask the signs of complications happening. It can be quite dangerous.
