Grey touch ups in a one hour appointment, even resistant grey. Longer lasting reds and rich browns. Brighter blondes in minimal amounts of time. How is any of this possible? Trionics. My must have - can’t live without - go to product I use behind the scenes is Trionics. It is peroxide that is mixed to activate the chemical process of hair color that is ammonia free and is derived from sea kelp enzymes. Enzymes naturally accelerate a chemical reaction without the usual damage