Schwarzkopf Professional BC Bonacure Repair Rescue Sealed Ends+ is a multitasking serum designed to nourish porous ends, prevent breakage, and add shine. Powered by Arginine and Vegan Keratin Complex, it boosts hair strength and elasticity while offering up to 20% heat protection. Suitable for damaged hair, it instantly reverses up to 3 years of damage with a lightweight, clean formula.