This serum combines Retinol and Vitamin C, with exosomes to condition the skin. - Product Name: nowi needle dual serum 500 - Ingredients: Retinol, Vitamin C, Exosome - Contents: 30ml - Made in Japan - How to use: Apply an appropriate amount to the skin. - Features: Contains 200,000 exosomes Thank you for viewing. This product is brand new and unused. Purchased in September 2025. I am selling it because I no longer need it. Although it is new, it has been handled by people, so please refrain from purchasing if you are sensitive to this. Please note that this product will be sent in an envelope. It will be wrapped in plastic for protection against rain, but will not be packaged with bubble wrap. Please be aware of this before purchasing. Please understand that this is a product being sold on a flea market app before making a purchase.