Rysell Leave-in Anti-frizz has been formulated by combining cationic polymers and hydrolyzed keratin, making it a capillary straightener that neutralizes static in hair strands. It acts by controlling hair's humidity and fortifying it from root to tip. It is recommended for straightened treated and chemically processed hair. HOW TO USE: After Washing, apply on damp hair from root to tip. Proceed to dry and style with a blow dryer or flat iron.