d Program focuses on skin-beautifying bacteria. For sensitive skin with dry skin problems. One dense drop penetrates deep into the stratum corneum for long-lasting moisture. This medicated serum instantly addresses recurring dryness issues, leading to smooth, beautiful skin brimming with moisture. Its moisturizing texture blends seamlessly with the skin without leaving a sticky feeling. It contains carefully selected ingredients, including a high concentration of yeast extract GL. **Compared to d Program lotions and emulsions, it provides moisture and improves the skin's environment. It contains medicated active ingredients (tranexamic acid, dipotassium glycyrrhizinate) that prevent rough skin and acne, reducing the appearance of fine lines caused by dryness. (Efficacy evaluation test completed). Its moisture helps smooth irregular skin texture. Made with carefully selected ingredients that can be used on sensitive skinManufactured according to strict hygiene standards (clean manufacturing method)No added alcohol (ethyl alcohol)No added parabens (preservatives)Fragrance-free, colorant-free, weak acidityPatch tested with the cooperation of people with sensitive skin (tested to check for irritation such as tingling or burning sensations immediately after use)Allergy testedFormulated to be less likely to cause acne (does not mean that it will not cause allergies in all people or that it will not cause acne.) (Quasi-drug) *This product is a refill, so the main product is not included.