CPR Step 0 Pre-Treatment Shampoo is a deep cleansing shampoo that removes oil, pollution and cosmetic residue from the hair that interfere with the results of reconstructive hair treatments and moisturizing masks. This shampoo deeply cleanses the hair, leaving it completely clean for more effective absorption of CPR 1 and 2. Moisturizing and nourishing ingredients preserve the condition of the hair without leaving it dry. HOW TO USE: Wet your hair and apply the shampoo, massaging in a circular motion to create lather. Rinse thoroughly with warm water and repeat the operation. Rinse again, remove excess moisture with a towel and proceed with the application of CPR Step 1. Contains: -01 CPR Hair Reconstruction Repair Treatment Shampoo Step 0 1L