Kérastase Genesis Defense Thermique

No, the formula is specifically designed to be lightweight. It provides protection and hydration without leaving a heavy, greasy residue, making it suitable for daily use even on finer hair types.

While no product can completely stop breakage, this treatment is formulated to reinforce the hair fiber. By detangling and smoothing the cuticle, it significantly reduces the friction and snapping that typically occurs during brushing.

While it is optimized as a heat protectant for blow-drying, you can absolutely use it on air-dried hair. It works well as a leave-in treatment to control frizz and add shine, regardless of whether you apply heat afterward.

Yes, the formula is sulfate-free, which makes it gentle enough for color-treated hair. It helps maintain the integrity of the hair fiber without stripping away color.

This product is specifically engineered to provide 24-hour frizz control, even in high-humidity environments. It creates a protective shield that prevents moisture from penetrating the hair shaft, which is what typically causes hair to swell and frizz.