Evo Lockdown Smoothing Treatment is a leave-in treatment to smooth, detangle and prepare hair for styling, while significantly improving shine and combability. Controls unruly hair and reduces frizz. Adds softness and shine, helps detangle and improves manageability. Application: Apply the treatment evenly to damp hair. Either let air dry naturally, or after drying still use a straightening iron for ultra-smooth hairstyles.