Description Ser Mulher Bioprotein Detangling Biospray is a leave-in treatment specially developed for the care and maintenance of organic hair, synthetic hair, and hair extensions. It helps detangle knots, makes combing easier, reduces frizz, and softens the hair fiber. It also helps extend the lifespan of the hair while restoring its natural appearance, leaving it soft, shiny, and well cared for. Directions for use: Apply an adequate amount of product and distribute it evenly throughout the hair fiber or hairstyle. Gently comb from the ends toward the roots. Do not rinse. Allow to air dry.