YonKa Masks are intense rebalancing treatments used a few times weekly to renew and refine the complexion. YonKa Masks contain the finest natural botanicals and earth-derived actives such as kaolin clays, essential oils and plant extracts to provide deep therapy to the skin. YonKa Masks correct dehydration, detoxify and promote youthful, healthy skin. As an occasional treatment, YonKa Masks leave the skin revitalized, refreshed and rejuvenated.