Could be better.
"I really like that you can get a super precise line, but I have grievances with the liquid. It has a shine to it so in certain light it looks like you've missed spots, and there are times that you have to go over the same spot multiple times to get a solid black line. It also feels like I'm going to use up the whole tube in less than a month. I've used it about 5 times now and I already have to shake the bottle repeatedly to get it to work."