K18 Molecular Repair Hair Oil is a lightweight, biotech-engineered oil that works on all hair types to strengthen, repair damage, reduce frizz, and improve shine. Formulated with K18PEPTIDE™, it addresses deeper-level damage that causes frizz, repairing and strengthening the innermost layer of the hair fiber. Natural oils like avocado and sunflower oil, along with hemisqualane and squalane, nourish and smooth the hair's surface, enhancing color vibrancy and providing heat protection up to 450°F (232°C)