Concerning this item The most recent formula for 2023–2024 now contains arginine. Schwarzkapf BC Repair Rescue Arginine gives dull and damaged hair a gentle, glossy makeover. Schwarzkapf BC Repair Rescue's lightweight formula enhances elasticity and shine without adding weight or heaviness to the hair, making it ideal for all hair types—even the thinnest and most delicate—because damaged hair can be quite dry, porous, and prone to breaking. This product combines potent ingredients with cutting-edge technology to provide intense repairing results. Vegan keratin and Cell Equalizer Technology rebuild and repair the hair fiber, restoring its natural strength, beauty, and shine while arginine works to reverse up to three years of damage. cutting-edge technology and