This Malibu C Hard Water Weekly Demineralizer is the best product for damaged hair. This product removes any unwanted buildup from your hair including iron, lime buildup, chloride buildup, and other unwanted harsh chemicals. This product is perfect to use in preparation to color treat your hair. It is formulated with healthy, natural ingredients that leave your hair healthy and beautiful, including Vitamin C complex, which works wonders in leaving your hair in its naturally healthy state. This demineralizer is 100% vegan and does not include any parabens, gluten, fragrance or sodium chloride. It works for best on all hair types.