Everyone's saying these eye masks are incredibly hydrating and effective at reducing puffiness and tired-looking eyes. Customers consistently praise how well the 4-pack versions stay in place without slipping, making them perfect for travel and daily use. Many users report immediate results, with eyes looking brighter, less puffy, and more refreshed after use. The masks work well for sensitive skin and don't cause irritation. However, customers note significant differences between packaging types - the 30-pack jar versions have a different shape, contain excess serum, and tend to slide down faces, making them harder to use effectively. Many keep them refrigerated for extra cooling benefits and appreciate their moisturizing properties that leave skin feeling soft and smooth.