Help smooth and plump the appearance of fine lines with Hyaluronic Acid and protect with built-in SPF15. Help to inhibit overproduction of unsightly upper lip hair with the enzyme Subtilisin. Dr Oliver White Smile's pioneering approach targets the three components of the smile. The three components of the smile refer to the appearance of teeth, gums and lips including the surrounding upper lip area. Dr Oliver White Smile Upper Lip Treatment contains Hyaluronic acid. Hyaluronic acid, a complex sugar, is a natural component of the human body and is particularly prevalent in the skin. In skin it facilitates water retention in body tissue. In fact, Hyaluronic acid can absorb more than one thousand times its weight in water which is why it is so vital as a moisturising and smoothing ingredient helping the skin appear fuller and firmer. As we age, and through stress caused by UV/environmental damage, the ability of the skin to produce hyaluronic acid declines. As a result skin becomes dehydrated, thinner, and prone to the formation of lines and wrinkles. The action of Subtilisin in Dr. Oliver White Smile Upper Lip Treatment is to inhibit hair growth. The skin is the largest organ in the body. In the skin there are specialised appendages including sensory nerves, sweat glands and hair follicles. Hairs are produced in hair follicles. The cycle of hair growth involves an active phase of production, anagen, during which the hair grows in length. At some point or other, influenced by a number of factors, this stage ends and is replaced by catagen, the stage of quiescence and cessation of new hair cell production. When something wakens the follicle from its dormancy, it enters into the transitional stage of telogen, during which it renews itself for activity and makes the changeover back to the active anagen stage again. Growth of the hair is generated from the bulb located in the follicle. Protein amino-acids are circulated to the base of the follicle, where the germinative process converts the cells to hard Keratin. Subtilisin is made of an alkaline protease which is an excellent inhibitor of hair growth. The function of the enzyme is to hydrolyse the new polypeptide chains involved in the synthesis of keratin.