Kerastase Genesis Defense Thermique 5.1 oz is a fortifying blow-dry fluid designed to protect weakened hair from heat styling damage while helping reduce breakage and frizz. This lightweight leave-in treatment smooths hair, enhances softness, and supports stronger healthier-looking lengths.

What It Does
This heat-protective styling fluid helps shield hair from blow dryers and heat tools while reinforcing weakened hair fibers prone to breakage. It smooths flyaways, improves manageability, and leaves hair soft, shiny, and protected.

Key Benefits
Provides heat protection during styling
Helps reduce breakage from brushing and heat
Smooths frizz and flyaways
Lightweight formula without heaviness
Improves softness and shine
Ideal for weakened hair prone to breakage

How to Use
Apply 2–4 pumps to towel-dried hair focusing on mid-lengths and ends. Do not rinse. Blow-dry and style as desired.

Keywords
Kerastase Genesis Defense Thermique, heat protectant 5.1 oz, anti breakage blow dry treatment, Kerastase leave in fluid, frizz control heat protectant, strengthening styling cream, Genesis hair treatment, heat protection for weakened hair