COLOURS By Gina portfolio encompasses 60 shades including all of Gina’s favorites. Concise portfolio use alone or intermix….the choice is yours. COLOURS by Gina formulation is flexible and automatically adjusts the product viscosity to support multiple mixing ratios. A single tube can create permanent colour results, tone on tone with no lift, and demi-permanent for multi-dimensional colour. Exclusive to the COLOURS by Gina range, new CI (colour intelligence) is a unique blend of specialized dye pigments, gentle alkalizers, and protective oxidizers. The intelligent colouring system allows for limitless intermixing and multi-functional results.