Wella Professional's Koleston Perfect range is one of the best for permanent hair colour. Now get the purest results with their new and improved formula available in an incredible 160 shades. With up to 5 levels of lift, hair will be transformed with its natural depth and shine intact. What makes this formula better than previous iterations is its ME+ technology, which reduces the risk of allergic reactions during application. As a flexible cream designed for a quick and easy 1:1 ratio mix, it now promises a smooth application that will stay in place on the hair. Get the ultimate salon colour now by combining Koleston Perfect Colour with the Wella Welloxon Perfect Developer. Key benefits: New formula with ME+ technology that reduces risk of hypoallergenic reactions. Up to 100% grey coverage and up to 5 levels of lift. Easy to apply flexible mixture with 1:1 ratio. Significantly reduces hair damage, colour after colour. 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.