This is a stunning color that can be used to help to lighten colors but is usually too light to use alone. Cool Light Taupe is for a person with a cool red or pinkish undertone.Rich Microblade Colors are specifically created with a thick and creamy iron oxide pigment which easily settles into the skin with long lasting results! According to Dr. Zwerling; pigments, like iron oxide, rarely cause allergic reactions. "Iron oxide has been shown to be the safest pigment," he says. "Anything that is vegetable based, organic, or natural is the riskiest. It's the natural products in vegetables and herbs that can cause horrible allergic reactions."