The ultimate all-in-one holy grail. Redken One United Multi-Benefit Treatment Spray is multi-tasking leave-in conditioner that delivers 25 incredible benefits to every single hair type. This weightless leave-in spray deeply conditions, intensely hydrates, instantly detangles, and provides powerful heat protection up to 450°F. It helps prevent breakage from brushing, tames stubborn frizz, and seals the hair cuticle for a beautifully smooth, healthy finish.