During treatments it is important to regularly clean the handpiece. When the hair shaft carbonizes, it leaves debris on the sapphire window. This build up can make it hot and can make it difficult for the laser light to penetrate. Cleaning the ChillTip handpiece with alcohol prevents this barrier from forming. There is a small but real risk of infection because the hand- piece is in direct contact with the skin. Therefore, between patients the handpiece should be disinfected with a liquid disinfectant such as Virex
