M·A·C Pigment. Pigment is a highly concentrated loose colour powder that contains ingredients to help it adhere to the skin. Pigment comes in an excellent range of colours. Use to create a subtle wash of colour or an intense effect. Pigment does not streak or cake, is easy to blend and long-lasting. Please note: Pigments are sold by weight not volume. Containers can appear to be less than full due to settling of the product. Shop At House Of Fraser