Direct Blue 199
Definition
Direct Blue 199 is a colourant, or dye. We add dyes to products for a variety of reasons including helping you see where you applied the product, when a product is used up, or for aesthetic reasons.
Direct Blue 199 is a colourant, or dye. We add dyes to products for a variety of reasons including helping you see where you applied the product, when a product is used up, or for aesthetic reasons.