Ultramarine Blue

Ultramarine blue has a particularly intense and deep color that will give an impressive blue matte shade to your shadow and a strong blue look to your mascara or pencil. Safe to use in soaps, either natural olive oil soap or melt & pour, giving a strong blue tint. To incorporate it into the natural soap, first dissolve it in a small amount of oil eg olive oil or almond oil. It is kept well closed in a shady and dry environment for about 3 years.