I admit I have not been quite as enthusiastic about these 'crackle' and 'shatter' effect polishes as some have. Don't get me wrong I think they create an interesting effect and I do like them, but I haven't totally flipped over them. I decided before I took my purple panic off though, that I would go the crackle route as I didn't really have time to do a complete new polish before I went out and I really appreciated having it then! It was also suggested to me to try black crackle over purple panic by the lovely Rebecca from rebeccalikesnails.blogspot.com, so I killed two birds with one stone really.
The Barry M Instant Nail Effects was simple to apply, and it does crackle rather well. I have to say, over purple panic, I could see why other people were raving about the shatter effects, it ROCKS! Maybe its just a case of experimenting until you find the right shade before it pops for you, but I couldn't keep my eyes off my nails! I love this combination and will be doing it again :)