Pro Faux Metallic Pigments are synthetic, non-reactive pigments and are a real asset to any faux finisher's arsenal. Mix safely with Pro Faux Glazes, Waxes, etc. They look best when applied thinly over darker colors and textures. Mix safely with Pro Faux Glazes, Scumble Glaze and Acrylic Waxes. They look best when applied thinly over darker colors and textures.