Taking a daily supplement of 120 mg of hyaluronan for 3 months can make your face skin feel smoother and less rough, especially if you're a healthy Asian adult between 35 and 64 years old.

Taking a daily supplement of hyaluronan for 12 weeks can make your skin feel tighter and more bouncy on your forehead, arms, and waist—especially at your waist, where it improved by 38% compared to people who didn’t take it.

Taking a daily supplement of hyaluronan for 12 weeks can make your facial wrinkles look about 11.5% less noticeable, compared to not taking anything, if you're a healthy Asian adult between 35 and 64.

Taking a daily supplement of hyaluronan for 3 months may make your skin look shinier and feel softer, at least according to how people felt about it — but it didn’t work any better than a fake pill.

Taking a daily supplement of hyaluronan for 12 weeks can make your face more hydrated, with a noticeable 10.9% boost in skin moisture compared to not taking it—this also helps your skin stay protected and lose less water.

Taking hyaluronan pills every day for about a month or two may help make dry skin on your face and arms more moisturized, according to studies done on Japanese adults.