19 Best Hand Sanitizers Of 2020, According To Doctors- hand santiser company in conroe indeed ,Doctors say hand sanitizer with at least 60 percent alcohol is effective if you don't have soap and water. Here are the best hand sanitizers according to experts.19 Best Hand Sanitizers Of 2020, According To DoctorsDoctors say hand sanitizer with at least 60 percent alcohol is effective if you don't have soap and water. Here are the best hand sanitizers according to experts.