Cosmedica Skincare Pure Hyaluronic Acid Serum Unused item. White residue is visible on the dropper and near the bottle opening from the time of purchase (see photos). * Although unused, there is a possibility of component adhesion or crystallization due to storage or the manufacturing process. * We cannot guarantee the quality of the contents, so please purchase only if you understand this. ・Overseas skincare ・Hyaluronic acid serum ・Stored at home Instant purchase OK.