Käsidesi

Käsidesi, also known as hand sanitizer or hand rub, is a liquid, gel, or foam product used to kill germs and microorganisms on the hands. It is typically used when soap and water are not readily available for handwashing. The primary active ingredient in most hand sanitizers is alcohol, usually ethanol or isopropanol, in concentrations between 60% and 95%. These alcohol-based sanitizers work by denaturing proteins essential for the survival of many bacteria and viruses.

Hand sanitizers are an effective means of reducing the number of microbes on the hands, particularly in healthcare settings and public places. They can help prevent the spread of infectious diseases, especially those transmitted through direct contact or contaminated surfaces. However, it is important to note that hand sanitizers are not as effective as thorough handwashing with soap and water against all types of germs, such as norovirus and Clostridium difficile. Soap and water are better at removing dirt, grease, and certain chemical contaminants.

When using a hand sanitizer, a sufficient amount should be applied to cover all surfaces of the hands. The hands should then be rubbed together until they are dry. Products containing emollients like glycerin are often added to prevent skin dryness, a common side effect of frequent alcohol-based sanitizer use. While generally safe and effective, hand sanitizers should be kept out of reach of children and stored away from heat or flame due to their flammable nature.