Formulated with BONDFINITY Technology to lock in the hair's own keratin, Fibre Clinix Bondfinity Fibre Sealer is a lightweight and repairing leave-in cream that instantly and visibly helps to seal split ends and provides long-lasting strength for all hair types. It deeply nourishes and restores hair, and controls frizz with an anti-humidity effect, leaving hair smooth and shiny with heat protection up to 230°C/450°F.