I don't think I've ever really explained very well the difference between the two highlighter formulas that are on Phee's Makeup Shop at the moment.
Started in blogging, still crap at explaining things in writing - go figure.
So here we go with a comparison of the Unicorn Highlighters and Glow Highlighters in similar colours.
I also did a quick swatch video while I was doing these. You'll see the Glow Highlighters are more opaque, and the Unicorn Highlighters have a stronger reflect when they catch the light.
Luna vs. The Original vs. Gloaming