True about hand hygiene-
Povidone-iodine is the best skin disinfectant
Povidone-iodine (Betadine) is less irritant and cause less staining.
Aqueous and alcohol-based povidone-iodine preparations are widely used in skin disinfection including preoperative preparation of the skin.
Commonly used skin disinfectants for hand washing are- □ Povidone-iodine (Betadine)

→ Best  Chlorhexidine
□ Isopropyl alcohol
Betadine can cause irritation
Alcohol based preparation are used
Hot water is best
Gluteraldehyde is used