The Wella Koleston Perfect Me+ Pure Naturals hair colours create naturally beautiful shades for your hair. The hair colours in the Koleston Perfect Me+ collection also cover grey hair effortlessly and give you long-lasting, intensive hair colour. The Pure Naturals can also lighten the hair by up to three shades. But that’s not all: the Koleston Perfect Pure Naturals formula, with 25 per cent lipids and active conditioning ingredients, cares for the hair even during the colouring process and provides flexibility, shine and intensively brilliant colour.Application tips for the Wella Koleston Perfect Me+ Pure Naturals hair colours The Wella Koleston Pure Naturals are mixed with the Welloxon Perfect developer in a 1:1 ratio with either six, nine or twelve per cent hydrogen peroxide. Then apply the mixture evenly to dry hair. How long the hair colours should be left on depends on the strength of the oxidation cream used and the desired colour result. You can also intensify or correct the colour shade by adding the Perfect Me+ Special Mix. This allows you to get exactly the colour you wanted.