Ceramide is one of the components of the skin's natural barrier. It can form a protective film, enhance the skin's barrier function, reduce water loss, and prevent the external environment from irritating and damaging the skin. It is also an ingredient widely used in skin care products. Esteramide can relieve skin dryness, roughness, desquamation, and other problems, improve skin quality, and at the same time promote the renewal and repair of skin cells