Custom Cosmetic Color "Perfect Cool Light Brown" (formerly called Light Brown R/P). This color can be used to help lighten colors. It is for a person with a cool, red or pinkish undertone. Custom Cosmetic Colors were specially formulated for permanent makeup. Used by some of the world's top permanent makeup artists. You're sure to achieve great results with this professional permanent cosmetic makeup. Sold as 1/2oz. bottle.