It depends on the service. Koleston Perfect is the permanent colour for lasting results, lift and grey coverage; Color Touch is a demi-permanent for toning, blending grey and refreshing colour without lift; Shinefinity is a zero-lift glaze for glossing and toning; and Illumina Color is a permanent colour known for luminous, multi-dimensional results, especially on natural and lightened hair.

Koleston Perfect and Illumina Color are mixed with Welloxon Perfect developer — 6% (20 vol) for standard colour and grey coverage, 9% (30 vol) for lift and 12% (40 vol) for maximum lift. Color Touch uses its dedicated Color Touch Emulsion (1.9% or 4%), and Shinefinity uses its own Activator. Always follow the professional Wella mixing ratios.

Both are permanent colours. Koleston Perfect is the salon workhorse for reliable coverage, lift and an extensive shade palette. Illumina Color is designed for luminous, light-reflecting results and performs beautifully on natural and lightened hair, giving a softer, multi-tonal finish.

Yes. Koleston Perfect offers up to 100% grey coverage when professionally formulated with the correct Welloxon Perfect developer. For softer blending of grey rather than full coverage, Color Touch is a popular demi-permanent option.