Is Chlorhexidine Plus Alcohol Better Than Povidone Iodine?

For years, the most data has supported to the use of simply alcohol. Chlorhexidine typically does last a little longer with its activity than Povidone iodine as well. But again, we had some randomized control data evidence that points us towards that conclusion. And we're getting prevention of hypothermia interoperatively? This particular area has not really evolved much in the last 20-plus years.