Benefits: Skin Irritation Test completed. 4 steps of AC line products for urgent skin care. With AHA it exfoliates skin impurities and dead skin cells. With BHA it removes skin dirt and sebum inside the pores. With PHA it dissolves dead skin cells for non-irritating exfoliation. Free of 20 harmful ingredients. Formulated with natural-derived ingredients. Clear Foam: Cleanses skin impurities inside the pores and removes excessive sebum. It is proven to have the function of alleviating Acne-Prone skin. Miracle Toner: Soothes irritated skin while gently removing dead skin cells. It has completed the ‘Suitable for Acne-Prone Skin Test’. Miracle Serum: Soothes irritated and problematic skin. Offers oil-moisture care by optimizing the ratio of water & oil. Miracle Cream: Moisturizes skin and strengthens the skin barrier. Protects skin with 4-Cica Care from external aggressors. How to use: 1. Use in the order of Foam → Toner → Serum → Cream. 2. Lather up a proper amount of foam, apply on the face, and massage gently for cleansing. 3. After cleansing, apply a proper amount of Toner along the skin texture and pat gently for further absorption. 4. Follow Serum & Cream, apply a proper amount along the skin texture, and pat gently for further absorption.