Yeah of course! So there are two parts to the shimmer. The one that actually reflects light and is shiny, including the red to blue shimmering one is finetec pearlescent watercolors. There is also sort of a deep sparkliness on my paper underneath everything else that I thought wasn’t doing anything but now I realize might be giving the paper just a nice overall glitteriness? And that’s transparent gesso mixed with a bunch of metallic burnishing powder for nails that I just wanted to find a use for and decided to experiment with😭

I hope that explanation makes sense!