Mediheal Essential Mask Pack Collagen Set of 10 Purchased from the Mediheal official online store in November 2025. Expiration Date: Collagen: 2028/09/28 Mediheal masks are frequently renewed, and this is the newest version. ^_^ The expiration dates may vary slightly (around 1-2 months) depending on the individual item, as they were purchased around the same time. This may fluctuate depending on when you purchase. The box will not be included. Only the contents will be shipped! No price reduction.