Specification: Net content 20ml White and Spot Reduction: Niacinamide helps reduce deposition, fade pigmentation, bright skin tone, and make the skin more even and bright. Shrinking pores: Niacinamide can help regulate skin oil secretion, shrink pores, improve skin roughness, and make the skin more delicate. Uniform skin tone: Niacinamide has the effect of regulating skin pigmentation, helping to achieve even skin tone and reduce pigmentation. Moisturizing: Niacinamide can enhance the skin barrier function, maintain skin moisture, and keep the skin moisturized. usage method: Clean skin: before using 15% nicotinamide facial essence, clean the face with facial cleanser. Take appropriate amount of essence: take appropriate amount of essence on the palm or cotton pad. Evenly apply: evenly apply essence on the whole face, gently massage to help absorption. Key care: Pay special attention to areas with enlarged pores or obvious pigmentation, and apply with emphasis. Daily use: It is recommended to use it once in the morning and once in the evening. Continuous use can achieve better care results. matters needing attention: During the use of 15% nicotinamide facial essence, if there is any discomfort, stop using it immediately and consult a professional doctor for advice. It is recommended to use sunscreen products during the day to protect the skin from UV damage. Continuous use of nicotinamide facial essence solution can achieve better results, but attention should be paid to avoid excessive use, so as not to cause skin burden. Comments: 1. Manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to the differences between different monitors, the image may not reflect the actual color of the project. Thank you very much. 3.SKU color is the color of product packaging. Package included: 1 * essence