Yuzu Vitamin C Sleep Mask. Benefits: Infused with the entire antioxidant-rich Yuzu fruit, this weightless sleep mask combines low-dose retinol and niacinamide to gently refine skin texture, improve tone, and boost radiance overnight.. Key Ingredients: Yuzu Extract: Contains the highest concentration of vitamin C (3x more than other citrus). It repairs, renews, accelerated production of collagen and elastin. Combined with vitamin E, offers double antioxidant protection. Yuzu Essential Oil Vitamin Capsules: Contains multi vita-ceramide (vitamin A,C,E,F). Encapsulated beads with massage benefit to de-stress and protect. Relieves skins fatigue, anti-inflammatory, fights acne, holds moisture. 100% Pure Korean Yuzu Seed Oil: Steam-distilled oil processing for purest form of nutrients and fatty acids. 2x antioxidant activity (than grapefruit). Smoother skin, increased circulation.. Niacinamide: Minimizes the look of pores and improves uneven tone and texture. Retinol: Smooths and refines the appearance of skins texture while visibly enhancing radiance and addressing signs of aging. Features: DERMATOLOGIST TESTED, 100% Vegan and Cruelty-Free.. Formulated without: Parabens, Sulfates, Artificial, Fragrance,Synthetic Fragrance, Artificial Colors,Synthetic Dyes..