Cosfiller Hyaluronic acid are fully absorbable highest viscosity dermal filler with largest particles for subcutaneous injections aimed at creating and shaping facial contours. Its long lasting results are ideal for creating or restoring lost volume in areas such as the cheeks and chin. Like other famous volume deep dermal fillers currently on the market, Derm Plus and Sub Skin are also easy to inject, yet provides enduring results expected to last around 18 months. Treatments are relatively comfortable, using or sharp needles (21-23G) and blunt-cannula (16~19G). Both techniques are used by doctors and improved patient comfort and increased precision regarding the implant position, and improved control of injection volume. Derm Plus and Sub Skin will be broken down and absorbed naturally after about 9--12 months.