⚠︎⚠︎⚠︎ Item will be shipped without the box. ⚠︎⚠︎⚠︎ Brand new, unused. The box has been opened once, but the item is unused. High-concentration collagen sheet born from a salon Experience salon-quality special treatment at home. This is the collagen sheet used in the salon's Matcolla treatment course. The uniquely processed high-concentration (*) collagen sheet instantly adheres to the skin, leading to skin filled with moisture, firmness, and luster.