Wella Professionals' Koleston Perfect range – the ultimate solution for achieving vibrant, long-lasting, and pure hair colour. Their innovative formula offers up to 5 levels of lift, making it easy to achieve your desired shade. What sets this formula apart is its ME+ technology, which reduces the risk of allergic reactions during application, giving you peace of mind. Their flexible cream is designed for a quick and easy 1:1 ratio mix, which promises a smooth application that will stay in place on the hair, making it easier than ever to achieve the perfect look.