Whoa, the Nectar Thermique is one heck of a heat protection agent. I've seen the results within a week. The Lait Vital conditioner seems average. Although I haven't used it to it's full potential. But the Bain Satin 2 is insane, I've never used products that have such instant effects.
Kérastase was thanks to a relative, I happened to stumble across them by chance. What's the Nutri-Thermique shampoo like?