Yunth Fresh Vitamin C Whitening Serum - 8 packets Purchased on Mercari Quote: "Use within 30 seconds" fresh serum instantly penetrates deep into the skin. For clear, radiant, and glowing skin. Fresh vitamin C is sealed in each packet. Adds transparency and luxurious moisture with every use! The serum, containing the whitening active ingredient pure vitamin C, penetrates deep into the stratum corneum to care for UV damage. It suppresses melanin production and prevents spots and freckles. Please understand that this item has been stored at home.