Hairdressing products Living Proof PERFECT HAIR DAY Shampoo. A revolutionary shampoo that features the powerful and patented by the 'Healthy Hair' brand molecule, a new hair technology that cleanses your hair in a way that leaves it extra shiny, healthy and beautiful. You will see how your hair acquires a new shape by completely transforming its silkiness, its volume, its detangling effect, its strength and its shine. It also keeps hair clean much longer so you don't have to wash it as often, which hurts it. Perfect for all types of hair. Free of sultaphs, oils and silicones. Also suitable for hair with chemical treatments or with dyes.