― This month, Hair Trade gave me the chance to review the New CID i-flick double ended eyeliner pen. I use liquid eyeliner every single day and I feel lost without it. I don't tend to stick to one brand of eyeliner, as I haven't yet found my perfect product. Although when it comes to liquid eyeliner, I do prefer to use the felt tip pen types, rather than the dip-pot ones, as I find them finer and easier to use. I've tried out loads of brands of eyeliner, so far my favourite is the Soap and Glory [...].