Product matching: Toner (containing hyaluronic acid, panthenol) Serum (containing ceramide, squalane) Cream (heavy cream for dry skin, gel texture for oily skin). Advanced skills: 2-3 times a week to replenish the mask (such as containing collagen and aloe vera ingredients), clean the face before applying, pat the remaining essence after applying until absorbed, and avoid draining water due to long-term application. Data support: Elisse Black Gold Anti-Wrinkle Water Milk Kit increases skin firmness by 53% after use, confirming the key role of moisturizing on skin elasticity. Strict sunscree...