1Natural - Ultimate Black Optimized Fade-Defying System Rich Luminous Conditioning Colorant Optimized Fade-Defying System Includes: Preference with Optimized Fade-Defying System, creates a rich long-lasting color spectrum with luminosity, shine and beautiful gray coverage. Care Supreme® Conditioner helps lock in first day color vibrancy and keeps hair silky and resilient week after week. From roots to ends, color won't fade-out, turn dull or brassy. 1 is an alluring pure black shade which will maintain the natural tones of your hair. For optimal color results, use on medium brown to black hair. Preference Shade Tips If you hesitate between two Preference shades, choose the lightest one. Level 3-Permanent 1 Application. No-Mess Fade-Defying Color Gel.Color Optimizing Creme.Care Supreme.Multi-Dose Conditioner: 6 weekly treatments of color protective Care Supreme.Conditioner with UV filter and anti-oxidant Vitamin E to help defy fade-out and renew shine.Superior Colorist Gloves.Pro-Precise Applicator: Extended tip designed to part hair and reach roots quickly, precisely, easily.InsertOn more than 50% gray, your results will be slightly lighter-looking than the results shown on the package.On red hair, your color results will be rich black.directions: Important: Follow the usage advisory. Read and follow the insert. Store between 50°F and 80°F. For best results, stay within 2 shades lighter or darker than your natural hair color.Warnings:Important: Haircolor can cause an allergic reaction which, in certain rare cases, can be severe. Therefore, you must follow these precautions: Do not use if: You have already had a reaction to a haircolor product. You have a sensitive, itchy or damaged scalp. If you have a tattoo, the risks of allergic reaction may be increased. Perform a skin allergy test 48 hours before each use of this product. Remember to buy your product 2 days ahead of time. Avoid contact of this product with eyes and skin. If product gets into your eyes, rinse immediately. Wear gloves provided in kit. Thoroughly rinse hair after application. Do not use over compound henna or progressive color. Wait at least 14 days after bleaching, relaxing or perming before coloring. Keep product out of the reach of children. Do not apply on children. Caution: This product contains ingredients which may cause skin irritation on certain individuals and a preliminary test according to accompanying directions should first be made. This product must not be used for dyeing the eyelashes or eyebrows. To do so may cause blindness. Read and follow the insert.