Bonnie Smoothing Sea Collagen Sheet Mask is a 100% cotton mask saturated with collagen-rich serum. Collagen derived from algae has a unique moisture-binding ability, instantly making skin appear plump and smooth. Wakame and gotu kola extracts help increase cell metabolism and collagen synthesis, reduce effects of oxidative stress, and improve skin strength and resilience. All skin types can benefit from this mask. Single-use foil sachet.