Name change! Formerly known as GSA. Same formula, same efficiency. Always based on Organic Silicon, Harpagophytum and a perfect combination of Essential Oils (Wintergreen, Katafray and Black Pepper), GeSil remains the reference of the organic store market! It acts on the comfort of your joints, with its warming effect and its targeted action. It is ideal for athletes, seniors, and people with frequent joint discomfort. Its massaging ball relieves without leaving any smell on the fingers! Apply in circular motions once a day to the affected areas. Do not use in pregnant or lactating women.