For all hair types, especially those who are looking for a silky hair feel with a natural movement and bounce. The unique finishing treatment that instantly improves elasticity to make the blow-dry more bouncy and easier to shape. The ultra-light and fast acting spray on formula enables deep penetration of the ingredients with no development time. Use: Shampoo and treat the hair with a conditioner, emulsion or mask. Towel dry the hair and spray directly, section by section from roots to ends. Comb through and rinse for 15 seconds. The product needs no development time. Then style as usual. System Professional Extra Elastic Force 125 ml