Roll-on type that allows you to massage while applying the beauty serum! Tightens and firms the skin for a youthful appearance! Formulated with human stem cell conditioned media (skin conditioning agent).Replenish your skin with ST Agaruci Roll Lift Up Serum that features a combination of stem cell conditioning culture solution and hyaluronic acid. Enjoy a firmer and brighter complexion, with improved skin tone at the eyes and mouth. Using the roller-pen application, this serum helps with skin care and rejuvenation.