There's no "anything is better than nothing", alcohol free anti-bac "kills 99.9% of all bacteria" will not work against Coronavirus.
Soap and water is of course the best thing to use. But if you can't access that, using anything less than 60% alcohol gel will do nothing to help you avoid Coronavirus. Please don't lull yourself into a false sense of security.
Don't touch your face etc and follow all recommended precautions. That is all you need to do.
Lecture over 