New, Unused, Unopened Serum formulated with high-concentration Vitamin C to enhance skin clarity. - Product Name: Crystal Essence - Ingredients: High-concentration Vitamin C - Media Coverage: Featured in numerous magazines - Features: Enhances skin clarity - Sales Volume: Over 430,000 units sold Crystal Essence ・For those seeking firmness, radiance, and clarity*5 ・For those who want to use high-concentration Vitamin C ・For those concerned about signs of aging For those seeking better results, this product concentrates 3% high-concentration APPS and 4 trillion VC-IP*7. It thoroughly supports collagen, leading to firm and radiant skin. Refrigeration is required after mixing. Please understand that this item has been in someone's possession before purchase. Thank you for looking.