Rasta Afri Stank Off Odor Eliminator Spray with botanical oils is great for both human and synthetic hair. This all natural odor neutralizer helps to decrease bacterial on the scalp and braids. Use before or after shampooing your hair, spray it on your head and gently massage into your hair and scalp. Can be rinsed out or left on as a leave-in. Can also be used on braid/weave styles before and after the installation.