Use a small amount, equivalent to 1 or 2 kroner, and lather the hair really well. It is important that the foam is allowed to grow, so that the shampoo can squeeze all its beneficial properties into the dandruff layer and give you a delicious result. Bond Maintenance Shampoo No. 4 from Olaplex Strengthens and repairs damaged and worn hair Restores moisture balance Makes hair light, shiny and fresh Color-retaining and brilliant for all hair types Deep-acting care for dry hair Can be used daily 250 ml