In just one application, this line softens even the most stubborn hair and eliminates frizz and volume without turning light hair yellow like bleaching treatments do. The formula contains vital components that completely restore hair strands, giving them the ability to soften and straighten while also providing complete nutrition for hair safety. Goodbye to harsh preservatives and chemicals. BIO TANIX EXTREME gives your hair a natural look and a lot of shine while protecting it from everyday damage.