Regular adjustments of the prosthetic socket can lessen the negative effects of wearing a prosthesis. Keeping liners clean and dry when in use reduces friction and skin irritation. Weight gain and weight loss are also contributing factors that can affect socket fit and function. Additionally, the arrival on the market of new materials such as silicone gels, co-polymers, and polyurethane helps in creating better stump quality optimized for every day and long use.