Red 27 Lake Average Colouring Agent/Pigment No known benefits Red 27 Lake description Red 27 Lake is a synthetic colouring agent approved for use in cosmetics. Lake colours are insoluble in water, so are often used in non-aqueous cosmetics such as lipsticks and powder blush. As with all lake colours used in cosmetics, red 7 lake is subject to batch certification before each use in cosmetic products. This certifies purity and safety before the colouring agent is added to the product. Related ingredients: D&C Colors