EQQUALBERRY sheet mask brightens, hydrates, and firms with niacinamide, glutathione, low-molecular collagen, glacier water, and hyaluronic acids. This hydrogel mask delivers powerful brightening with 30,000 ppm niacinamide and 99% pure glutathione to even out tone and reduce dullness. Low-molecular (200 Da) collagen deeply hydrates and firms without clogging pores, offering a visible lift within one hour. Ten-layer hyaluronic acid complex paired with Alaskan glacier water offers cooling hydration that lasts up to 120 hours. The precision-fit mask adheres seamlessly for comfortable wear, making it ideal for sensitive or fatigued skin.