I started using the Malibu C Hard Water treatment a few years ago and I am consistently blown away by the results. I have extremely hard water where I live and had always had problems with my hair and scalp - seborrheic dermatitis, dry, tangled and discolored hair. After one use of the Hard Water system including the Miracle Repair reconstructor, my hair was transformed. Gone was the itchy, sore scalp. My naturally strawberry blonde hair had gone from a dull brown to a vibrant strawberry blonde. I use the system once a week and it works wonders on my hair.