Fine or flat hair? This Serioxyl Advanced set helps create a denser, thicker look and airy volume while keeping lengths light and manageable. Fuller-looking, thicker-feeling hair. Light, touchable volume and easy styling. Scalp comfort and soft lengths. SET CONTENT Densifying Shampoo — 500 ml Densifying Serum — 90 ml HOW TO USE Apply the Densifying Shampoo to wet hair, lather while massaging the scalp, then rinse. On clean, towel-dried (or dry) scalp, apply the Densifying Serum section by section; gently massage to absorb. Do not rinse. Use daily. Adjust amounts to hair length and thickness.