This night mask contains collagen to deeply moisturize and firm the skin. - Brand: medicube - Product Name: Collagen Night Wrapping Mask - Volume: 75ml - Features: Contains collagen Thank you for looking. I purchased this from the official website about six months ago. I've used it about 3 or 4 times. More than half of the product remains. I applied it directly with my hands, but there were no issues with its use. Please understand that this is a used item.