Ultimate Hydration SystemFor dehydrated, tight, and depleted skin all skin types Dehydration is misunderstood. It is not a skin type, it is a condition. And it affects oily, normal, mature, and sensitive skin equally. Most people reach for a better moisturiser. What their skin actually needs is a complete system. The Ultimate Hydration System builds moisture at every layer of the routine. The Hyaluronic Acid Serum (97% Hyaluronate, 2% solution; one of Australia's most potent)