<prompt> True about hand hygeine -Betadine can cause irritationAlcohol based preparation are usedHot water is bestGluteraldehyde is used  <response>: Ans. is b i.e., Alcohol based preparation are used o Povidone iodine is the best skin disinfectant o Povidone iodine Betadine is less irritant and cause less staining.o Aqueous and alcohol-based povidone iodine preparations are widely used in skin disinfection including preoperative preparation of the skin.o Commonly used skin disinfectants for hand washing are- Povidone iodine Betadine - Best Chlorhexidine Isopropyl alcohol 