Nioxin 3D Intensive Hair Booster, 100 ml, Hair Creams and Gels for Women, The Nioxin 3D Intensive Hair Booster leave-in treatment gives your hair everything it needs after washing. Characteristics: improves the quality of the structure of your hair increases the thickness and strength of hair activates the hair roots How to use: Apply to towel-dried hair. Do not rinse.