Before you use ghd irons prepare your hair with step 1, the ghd thermodynamics regime! Carefully formulated to give you a safe, healthy foundation to introduce heat styling, the cleanse and nourish range acts to revitalise the condition of hair prior to styling for supreme protection and vibrant health. There’s a product here for replenishing, repairing, revitalising and protecting all types and conditions of hair. All ghd formulas contain UV protection so your hair will be safe in the sun.