HEALTH & BEAUTY HAIR COLOR & DEVELOPER L'OREAL Weight: Ok, so L'OREAL CASTING HAIR COLOR DEEP BLACK CG 200 is a hair dye that creates a very dark black color. It's not just a black color, it's an extremely deep and rich black color that will make your hair look like you're wearing jet-black extensions. The benefit of this dye is that it will give your hair a more natural-looking appearance because the dye won't cover up any natural features or colors in your hair. Cast a dark shadow over your life with L'oreal Casting Hair Color Deep Black. This hair dye is specifically formulated to create a dramatic blacker tone, so you can finally be the unstoppable force that dominates every situation. With just one application, this hair color will transform your look and give you the power to take control of your destiny.