Hair care Shampoos Moroccanoil Purifying Shampoo 1 l 1 L Especially for hair stressed by the accumulation of impurities and chemicals. Use this purifying shampoo once every two weeks to restore the natural balance of the scalp and remove waste products of hair and impurities and toxins from the environment. This shampoo is not abrasive, so it does not eliminate color. Shampoo indicated for use before color treatments. Does not contain sulphates, phosphates or parabens