Dr H Hyaluronic Acid Anti-Aging Mask used Hyaluronic Acid to help increase the moisture levels in your skin, all whilst preserving from future damage by protecting it from pollution and environmental damage. Dullness, hyper-pigmentation, and dehydration can be caused by pollutants such as soot and smoke in the atmosphere breaking down our skinu2019s protective antioxidant levels. Stearic acid, with its cleansing properties, will help to restore the skinu2019s resilience and provide clarity in the skinu2019s complexion.