Gel food coloring is the perfect additive to get just the color you want for your glycerin. Use alone for a more transparent look or add pigment for a more opaque look.Try our Pearl White Luster Pigment for a beautiful shimmer. The top color swatch in each photo is one drop of Gel Food color mixed with glycerin. The bottom color swatch is the same mixture with a pinch of Pearl White Luster Pigment! Grape, Black, and Deep Blue are all very deep/dark and are hard to capture on camera without the pigment mixed in. *Colors are not exact and can var