Ok had the Keratin Therapy 1 month ago this week and sad to say that I do see some of the frizz coming back. I would say that it won't last another month. Anyone else find this? I have fine curly hair that is highlighted. I do work out every day so I have to wash it every day but I do use Pureology (which is suggested), I am sad since it has looked so good I want it to last the whole 3 months. I am wondering if anyone exercises alot and has anything to add about this. I do rinse my hair right after my workouts since I was thinking that the sweat would not be good for it. Any comments would be appreciated.