〈Recommended Usage〉 01. When using retinol for the first time, an adaptation period is required. For the first week, dispense only one pump into your palm once a day in the evening. After cleansing and applying lotion, gently apply it to your entire face during the serum step. Avoid the eye area. After use, moisturize your skin with cream. 02. Can be used twice a day, morning and night. After cleansing and applying lotion, gently apply it to your entire face during the serum step. Adjust the amount according to your skin condition. Furthermore, gently apply and blend it into areas of concern, such as pores, firmness, and fine lines caused by dryness. *If you experience skin irritation during the adaptation period, apply a gentle moisturizing cream to soothe the skin, and then use one pump at a time. It is also recommended to mix it with a water cream or moisturizing cream. ♡With bonus♡