Spa Treatment’s HAS i Micro Patch eye masks are needled shaped sheet masks with HAS and B glucan bases. With use of this mask, leave the sensitive skin around your eyes plump and moisturized. This mask is the perfect care product for your aged skin. HAS is Spa Treatment’s human stem cell culture medium formula. This contains Arbutin placenta, six kinds of collagen, and five kinds of hyaluronic acid. These luxurious ingredients are combined together to create the ultimate anti-aging product.