If you color your hair or have any damage, Kerastase Chronologiste is made for you. I am extremely discerning and skeptical when it comes to trying new hair products and  I NEVER let anything touch my colored hair without lots of research and questions to my colorist. That being said, this stuff is the absolute BEST — and well worth the price in the long run. You can buy the at home treatment for $150 through Kerastase here, or have the [...]