New, unused, and unopened! Thank you very much. AiRevo Human Stem Cell Serum, 2-piece set Regular price per bottle: 21,000 yen (excluding tax) Ingredients: Human stem cells Type: Bottle I have extra Letter Pack supplies and would like to use them, so I'm using Letter Pack for shipping. If you prefer anonymous shipping, I can change it to Rakuraku Mercari Delivery for an additional 210 yen! If you would like this, please comment before purchasing.