One of the most important ingredients to skin care—amino acids—are now being pitched by a company selling household water softening systems. Austin, TX-based NewFresh Water Systems says Scale Soft liquid softener contains alanine, a “simple amino acid that is naturally non-toxic, bio-degradable, and contributes to healthy skin and hair. The ingredient is automatically added to water in a minute amount via a dosing pump, according to the company “Shampoos, rinses, and now our wa...