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MD Needless line smoothing concentrate is a must-have for anyone looking to achieve smooth and youthful skin. Caitlin recommends applying one drop onto clean skin twice a day for optimal results. The product goes on clear and feels incredibly smooth on the skin. It is perfect for targeting problem areas and Caitlin promises to report back after using it for a while. Overall, this concentrate by Goldfaden MD seems promising and worth a try for those seeking to diminish fine lines and achieve a more youthful complexion.