I used to do all sorts of Japanese straightening and keratin treatments. My hair is thick, wavy and frizzy with breakage. I stopped using salon treatments and began 'co-washing' (conditioner only) every other day or so and using sulfate free shampoo only about once a week. Shampooing is very drying. I also added this
http://www.keratincomplex.com/vitalshot into my hair regimen, it's an at-home keratin treatment I purchase from Amazon (~$5/use) and apply every three weeks or so. Since I started using this and not shampooing frequently, I find my hair is much shinier and manageable with no frizz at all :dance: Also I colored to deep red like
http://newaylook.com/best-dark-red-hair-ideas My friends cannot believe I even had frizz

I also just purchased Moroccan Oil intense Hydrating treatment to try. Haven't used it yet, but I'll report my results back. It has great reviews both online and from my friends.