This is a medicated shampoo from h&s in collaboration with Old Spice, which eliminates the need for a rinse. It has the Old Spice Pure Sport scent and cleans away sweat, sebum, and dirt from the scalp in one wash. It is sold as a set of 2, but additional units can be provided for 1900 yen each. Please comment if you'd like to purchase more. Shipping will be via Sagawa Express. Thank you.