Alterna shampoos improve the way your hair performs. The Science of Ten will encourage your hair to perform at its best under any condition, so it is the right choice for any type of hair, any time of year. A perfect fusion of ten key elements to preserve your hair's future beauty, our highly concentrated, sulfate free cleanser will easily sweep away impurities leaving your hair to rediscover an amazing sensation of well-being. The Science of Ten, the perfect fusion of ten key elements that transform hair from ordinary to extraordinary. This sulfate free cleanser rebalances and nourishes all hair types for customized results. Optimal protection against color fade and color washout Deeply rebalances and nourishes all hair types for customized results Guards your hair from environmental and chemical stresses and the aging process Visible healthy, radiant and beautiful hair