Repair distressed hair with wella professionals enrich repair serum the serum contains the active ingredient natural silk extract to provide your hair with instant repair to damaged areas of your hair and protection against free radical damage the leave in serum instantly intensely nourishes the hair once applied to give your hair a boost of volume and vitality your hair will be left looking refreshed with a glossy rejuvenation ideal for hair thats been damaged by colouring or styling wit