Semi-permanent colors deposit only, so they sometimes look deeper than the natural color. 20 to 30 minutes is the best amount of time to leave 20 volume developer on your hair if you're colouring it instead of utilising a lightener or bleaching chemical. How to take care of your hair after the treatment, 7 Tips for Maintaining Ion Permanent Hair Dye. It will only last for about 6 to 10 washes. For women who want to achieve a natural look with a hint of brown, this is a great option. Beautiful brunettes, believable blondes, high lift blondes, and rich reds can be found in the shade range. How much hair colour ion developer should I use? Curl Centric follows a strict editorial policy that produces accurate, factual, and honest content to help you make the right hair care decisions. "Semi-permanent usually does not include peroxide or a developer and usually just sits on the surface of the hair," says Papanikolas. Is Ion Permanent Hair Dye Good to Use: Guide with How to Use Some people say that Ion hair dye leaves their hair feeling dry and brittle. You should be able to successfully complete the application following our instructions. Ion Color Brilliance and Ion Color Brilliance Violet and Gold (shown below) contain no ammonia and, because they are ammonia free, will not damage your hair. Your scalp may become inflamed if you continue to use this product for more than 30 minutes. 20 to 40 minutes After pre-lightening, shampoo with ion Color Defense Shampoo. Ion has a lifespan of 12-16 washes, which also relies on 2-3 layers of conditioner and hair treatment. How long do I leave Ions permanent hair color on? In that time you'll slowly see it fade. If the hair has been pre-lightened, heat isnt required during the processing step. A 20% concentration of gray color is added to the hair at the same time as the developer. It's not hard to tell if you're dealing with over-the-hill hair dye. Repeat this process until each section of your hair is coated in color. Can I Straighten My Hair After Bleaching It?