Wash after wash, metal particles, present in water, such as copper, can penetrate your hair fibers. It creates a risk of breakage u0026 colour shift.Concentrated with 1% glicoamine, this high-protection leave-in cream removes metal in hair and protects it from new particle deposits, to stop breakage u0026 colour shift.Intensely moisturised u0026 strengthened, hair is protected against UV impact, oxidation, brushing u0026 heat up to 230C/450F. Hair is stronger u0026 shinier.To use: Apply daily on towel-dried hair. Start with 1-2 pumps and spread evenly from mid-lengths to ends. Add more as needed depending on length, up to 4 pumps. Do not rinse. Proceed to blow-dry or air-dry.