BLACK DIAMOND This is an olive-based dark brown pigment. Use when the client desires a dark result without red shades. We recommend adding a drop of Brown Velvet to ensure it does not heal gray. A tone darker than Louie 12, Louie 13 is a rich brown pigment also warm and red-based. Excellent for clients looking to add vibrancy to their dark brown hair. SCALPA Pigments are the most comprehensive line of high-quality pigments available today. Our pigments are specially formulated to minimize touch-ups and leave clients with beautiful, long-lasting brows. SCALPA Pigments are formulated to perform consistently and safely while helping you achieve a flawless, yet natural look. Each of these shades was created to offer you greater success in matching skin tones.