I am a swimmer and professional H20x instructor. I have color treated hair, too. I used the Malibu C Swimmers Treatment mainly because I teach at a beautiful spa in Washington called Bonneville Hot Springs. We have amazing mineral water which also builds up on my hair. Malibu C Swimmers Treatment was recommended to me by a salon professional. It is safe and gentle...removes chlorine and copper green and also prevents dry, damaged hair. It leave my hair silky smooth with lots of body.