Teosyal is a Swiss brand manufactured in Switzerland. It is a safe, effective and long lasting, hyaluronic acid based product which is animal free. Patients are able to reap spontaneous results due to Teosyal’s excellent hydration and elasticity properties. Teosyal’s patent formula is suitable for sensitive skins as it contains a less protein and bacterial endotoxin count. Teosyal requires less injection force due to its 25G needle which makes the treatment much less painful for the patient. Penetration into the skin is extremely effective due to the lubricated needles their double bevel design. (37G) 25mg/ml of HA. 2 x 1ml syringes. Teosyal Deep Lines injected into the mid-deep layer of the skin dermis, can be used to: Fill deep nasal furrows, Fixing lip augmentation, Cheek and jawline face contour reshaping. If you are pregnant or lactating then refrain from using Teosyal. Also do not use if allergic to hyaluronic acid. Clinical trials suggest the effects of Teosyal Deep Lines last on average between 9-12 months. However there are many factors which determine the longevity of effects, including the individuals age, lifestyle and level of treatment required. Some redness, swelling and discomfort may occur at the site of injection. Resolution usually occurs with two to three days.