Hair Set That Optimizes And Reinforces The Length Of Damaged Hair. The Set Includes A Shampoo & A Mask Boosted With CreatineHow To Use:Shampoo:1.Apply Shampoo To Wet Hair. 2.Leave On At Least 2 Minutes. 3.Rinse Thoroughly. Mask:1.Apply The Mask To Shampooed And Towel Dried Hair. 2.Massage Through Lengths And Ends. 3.Leave On For 3 5 Minutes, Or Longer Depending On Desired Degree Of Neutralization. 4.Rinse Thoroughly.