Hydrating Bio Collagen Sheet Mask (4 Pack) Plump. Hydrate. Restore. An instant hydration boost for plump, dewy skin. This bio-collagen sheet mask deeply replenishes moisture, helps smooth dehydration lines, and leaves skin looking fresh, soft, and luminous after just one use. Perfect pre-event, post-travel, or whenever skin needs a reset. Powered by Niacinamide, Panthenol (Vitamin B5), Hydrolysed Collagen, and a multi-humectant complex, this mask works to replenish moisture, calm, and visibly smooth fine lines.