Medicube Deep Peptide Radiance Mask 4pcs is a brightening and revitalizing sheet mask powered by multi-peptides, niacinamide, arbutin, hyaluronic acid, glutathione, and nourishing botanical extracts to enhance radiance, even out tone, and improve texture. It floods the skin with moisture while stimulating its natural repair processes, helping dull or fatigued skin regain luminosity and softness. The mask promotes long-lasting hydration, reduces early signs of aging, and leaves the complexion glowing, supple, and refreshed.