[STEP 4-PROTECT & REPAIR] Kérastase Première Repairing Anti-Frizz Filler Heat Protecting Hair Serum prevents additional breakage by deeply repairing all damage levels for all hair types. Damage from heat styling, excessive processing, color treatment, bleaching, and even shower water is included in this. This expert leave-in serum, which is made with a concentration of peptides, penetrates the inner layer of hair to aid in deep surface repair and replenishment. The leave-in serum, which has a white, balmy texture, fills in external damage to the fiber, protects against heat up to 230°C, and helps seal the cuticles of damaged hair. Hair remains supple and glossy. Consider it your hair's skincare regimen. Before taking a shower, liberally apply the Pre-Shampoo Treatment to damp hair. Five minutes later,