2:1 COLOR & HAIR CARE: Get the natural-looking color you want without damaging the hair. Permanent healthier hair color formulated with vitamins, herbal extracts, and essential oils to gently nourish and protect your hair and scalp. HEAT-ACTIVATED: ONC does not use harsh chemicals to raise the pH level to open cuticles. Instead, it works by trapping the heat released from the head using a Thermal Heat Cap or Hair Dryer. A healthier natural way to open the hair cuticles and let color in. 100% GRAY COVERAGE: 100% gray coverage even on stubborn grays. Salon quality hair color results at home for long-lasting radiance from root to tip without damage. If you are buying 6KR and you have more than 30% gray hair, you should buy 6N to get 100% coverage. You can use the remaining color for 3 months as long the cap is closed and not mixed with colorfix. ORGANIC INGREDIENTS: Enriched with certified organic ingredients like argan oil, aloe vera, orange extracts, chamomile, coconut oil and vitamins, to make your hair silky, shiny and soft. Cruelty-free and vegan. NO HARSH CHEMICALS: Free from ammonia, parabens, resorcinol, sulfate, gluten, silicone, and harsh chemicals. Lowest pH formula resulting in more gentle processing for outstanding condition and shine. INCLUDES: ONC NATURALCOLORS comes with Color Gel, Colorfix (developer) Plastic gloves and shower cap, low ph non paraben sulphate free shampoo and conditioner and easy to use instructions. IMPORTANT GRAY COVERAGE If you have coarse, resistant gray hair and have bought one of the Fashion Shades. You will also need its matching Natural Shade for a full cover of gray. You need two shades. For example if you have bought 6C Fashion Shade you will need to buy 6N Natural Shade too. You may use the remaining unmixed color within 3 months. ONC NATURALCOLORS revolutionary natural hair color dye provides you the beautiful color you are looking for. Without the risks of chemical laden hair color dyes. ONC actually cares about your health and well-being. This is why ONC design from the ground up is healthier, safer and yet very effective. ONC is the healthier hair color dye with certified organic ingredients and perfect gray coverage. It uses heat to open the hair cuticles. This method protects the hair from damaging, unhealthy ammonia used in chemical hair color dye to open the cuticle. The pH value of ONC is much lower than chemical hair color and many "natural" hair dyes. After rinsing the hair's pH value is closer to a neutral value. The scale layer of the hair, the cuticle, closes, and the color does not fade. Providing a more natural, permanent solution. It is very important to use heat. After applying the mix, use medium heat from a hair dryer for 10 minutes. Only use heat on the roots or regrowth hair, not on hair that is already colored. This opens the cuticles so that color can go in to the hair shaft. Make sure to carefully follow the aftercare advisory; use sulfate-free, paraben-free, low pH shampoo and conditioner for the color to last and shine for weeks to come.