Kerastase Genesis Defence Thermique is a premium leave in heat protectant designed for weakened or breakage prone hair. It defends the hair against temperatures up to 220 degrees and keeps the strands smoother, softer, and more flexible during blow drying or straightening. The formula is enriched with ginger root and edelweiss extract, two ingredients known for strengthening fibres and reducing daily stress on fine or fragile hair.
The creamy spray texture is easy to distribute from mid lengths to ends. It helps prevent split ends, reduces surface friction, and gives a soft shine without making the hair heavy. Users highlight that the product improves detangling and makes styling faster and more controlled. It also gives twenty four hour frizz protection, which is especially useful in humid Irish weather.
Kerastase positions this product as part of the Genesis range that targets hair fall due to breakage, and regular use aims to reduce up to ninety nine percent of hair fall caused by brushing. Many reviews note softer texture, increased smoothness, and less snapping while styling. It can be applied to damp hair before blow drying or used on dry hair to reduce frizz and tame ends.
If you want a high quality heat protector with nourishing ingredients, long lasting smoothing effects, and a formula trusted by salons, this one sits clearly in the luxury segment.
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