The Alfaparf SDL Diamond Extraordinary All-In-1 Leave-In Fluid is a multi-tasking hair treatment that offers 10 benefits: instant shine, detangling, color protection, UV/heat protection (up to 230°C), frizz control, humidity resistance, split end prevention, cuticle sealing, softness, and reduced drying time, all in a vegan, sulfate-free formula with Shine Fix & Color Fix Complexes. It's applied to damp or dry hair, left in, and then styled, making hair manageable, silky, and protected.