Pure Shampoo with Urea 5.5% is SULPHATE free and also free of: Parabens, SLES, SLS, CDE, Colourants and Fragrance. This is the exact same formula as the Pure Shampoo Every Day except it has 5.5% of synthetic Urea added to it. This is aimed at consumers that suffer from very dry scalp. The Urea is present because Urea is water loving. It binds the water to the skin and increases the hydration levels of the skin.