The Ion Mixer family features 4 colour cremes that have been specially formulated to be mixed with any Ion Permanent shade to intensify, correct or tone down colour. The 004 Copper Mix is perfect for enhancing shades from the Ion Copper colour family and for colour correction services. Simply mix your chosen Ion Permanent shade with the required Ion Mixer in various proportions according to the desired result. Specially formulated with vitamin C and polyquaternium-6, these active ingredients help to retain hair moisture, reduce static build-up and protect the hair against damage, guaranteeing long-lasting colour and shade stability whilst improving the hair s condition. 100% grey hair coverage is guaranteed, making it the perfect choice for achieving specially tailored, beautifully radiant, permanent colour results that you and your clients will love.For ultra intense colour, mix Ion 004 Copper Mix with Ion 3% 10Vol Creme Developer in a 1:1.5 ratio and apply to a bleached base, leaving to develop for 30 minutes. We recommend carrying out a strand test to determine the colour ratio and development time required to achieve the desired result.