Vuse has damaged the Twisp brand irreparably

I've been using Twisp for years now. December I opened up a new 20ml Vuse eLiquid that I had ordered online, only to find that it had the most unbelievable chemical taste. It was so bad that I had to throw away the coil and open up a brand new eLiquid and insert a new coil to get rid of the taste. I emailed Vuse immediately. Sebastian responded after a few days to ask at which store I had bought it. So I pointed out that it was an online order. I still had two unopened eliquids of the same flavour and asked for an exchange, because I didn't want to open them up as well and find the same issue. Sebastian had replied on the 24th of December and since then, in spite of a number of emails from my side asking for a resolution of the matter, I have not heard anything from them. I can't rate their customer service, because clearly they do not have customer service.