What it is:Step 1 (Cleanse/Nourish) shampoo in ghd's 4-step thermodynamics(TM) system: A mild, everyday shampoo with UVA protection - for normal hair.What it is formulated to do:A blend of surfactants cleanse, volumize, and improve hair's softness and manageability, while an intelligent conditioning agent selectively attaches itself to damaged areas, adding condition, flexibility, and volume. A blend of cationic (positively charged) conditioning agents work together to promote body and shine, reducing static, while improving manageability, conditioning, and adding smoothness to the hair.What else you need to know:Great for men, children, and frequent shampoo-ers thanks to its very gent cleansing action. (It's especially great for anyone who shampoos more than once a day.)