'Vitamin C** Sheet Mask: moisturizing + illuminating Ready, set, glow! Try our innovative sheet mask to brighten and revitalize your skin with una hydration boost in just 15 minutes! It's infused with the equivalent of a bottle of serum**. It's enriched with Vitamin Cg and hyaluronic acid for an instant boost of brightness. Proven effectiveness⁹⁾: After just 15 minutes: skin is intensely rehydrated, appears brighter and smoother. After 1 week: the complexion looks more even, signs of fatigue appear minimized, and skin looks revitalized. **Based on a 28 ml serum. ⁹⁾ Self-assessment test - 116 women and 33 men - 3 applications for 1 week.'