How+to+Make+A+Clear+and+Natural+Glycerin+Soap+Base. This is the one! How to make your own clear glycerin soap base to work from. It sounds like it'll keep, so after atest batch I'd probably up the volume.
Add depth to spray bottle art by mixing touches of gold or silver leaf in with other colors. After all colors are added to the canvas, apply the gold or silver leaf to the surface using leaf adhesive and a small detail paintbrush.