The Cosrx Ultimate Nourishing Rice Overnight Spa Mask is a skincare product formulated with a specific chemical composition designed to provide nourishing benefits to the skin. The key active ingredient in this product is Oryza Sativa (Rice) Extract, which contains numerous bioactive compounds such as amino acids, vitamins, and minerals. Rice extract is known for its moisturizing properties due to its high content of amino acids, particularly glutamic acid. Amino acids play a crucial role in maintaining skin hydration by attracting and retaining water molecules, thereby enhancing the skin's natural moisture barrier. Additionally, rice extract is rich in antioxidants like ferulic acid and phytic acid, which help protect the skin from oxidative stress and environmental damage. Another notable component of the Cosrx Overnight Spa Mask is Niacinamide, a form of Vitamin B3. Niacinamide has been extensively studied for its skin-brightening and anti-inflammatory properties. It helps to reduce hyperpigmentation, enhance skin elasticity, and minimize the appearance of fine lines and wrinkles. Furthermore, niacinamide supports the skin's natural lipid barrier and improves its overall texture. The formulation of this product also includes ingredients like glycerin and hyaluronic acid, which contribute to its moisturizing and hydrating effects. Glycerin acts as a humectant, attracting moisture to the skin, while hyaluronic acid helps to retain water within the skin cells, leading to improved hydration and plumpness.