Thank you for viewing! This is the RMK W Treatment Oil, 30ml. It's a booster serum with a light texture and a subtle citrus scent. It's a two-layer formula, so you shake it to mix before use. Brand: RMK Product Name: W Treatment Oil Contents: 30ml Remaining amount: Over 90% (as you can see in the photos) Please understand that this item is stored by a private individual and is not unused before purchasing. If you have any questions or requests, please feel free to ask in the comments section!