I must confess I love gimmicky things.. and glow in the dark nails is definitely in that category! I swatched one nail to test it's "glow"ability.. and was rather disappointed. However I then noticed the glow particles (or what ever they are) had collected at the bottom of the bottle (and was so thick the bbs couldn't move).. so the 2nd swatch was much better after a lot mixing. Though in the dark it was a little patchy with 1 coat.. 2 coats however did affect the colour of my polish dulling it slightly and very slight matte look but the glow was great!!