Hyaluronic acid / HA Cosmetic Grade Application: reduce acne, scars, injury or lines in the skin. OEM production offered Hyaluronic ... acid / HA Cosmetic Grade Application in skin: reduce acne, scars, injury or lines in the skin. OEM production offered Hyaluronan ... contour and reduce depressions in the skin due to acne, scars, injury or lines. Immediately or within a few hours after ...