I am selling this item because I have no opportunity to use it. The box has never been opened. (The tape sealing the box is slightly peeled.) ◾️Contents 33ml (approximately 1 month's supply) ◾️Retail Price 9,680 yen ◾️Product Description This is a serum containing human adipose-derived mesenchymal stem cell exosomes. When used from the bottom to the top of the face and neck, such as around the nasolabial folds, mouth, and face line, you can feel a bouncy firmness and elasticity.