This is a 30ml bottle of La Mer The Serum Essence (beauty serum). Purchased at a duty-free shop in the United States. Please see the profile for details. The ultimate beauty serum from La Mer. Addresses all skin concerns comprehensively. Experience timeless, sublime skin with La Mer's ultimate collection, "Genaissance de la Mer™." With rare ingredients and an outstanding new formula, it addresses all age-related skin concerns, such as dryness and uneven texture, comprehensively. It refines the stratum corneum, leading to the skin's ideal beauty. With a silky texture, it leads to a blissful skin texture and a revitalized, firm, and renewed impression.