Color Enhancing - Restores Processed & Grey Hair. No Sodium Lauryl Sulfate. For All Hair Shades - Adds Silvery Brightness to Gray Hair. Blue Malva Shampoo is perfect for graying hair. This formula helps neutralize brassiness in treated and natural hair. Rich oils and pure botanical extracts of Blue Malva flowers plus 7 other botanicals gently cleanse hair, creating a luster and shine.