Paints, finishes and natural coatings
Finishing concrete floors with silicate densifiers
...floor: choose a potassium densifier rather than lithium. The deeper penetration means you will be able to buff out any etching caused by acidic materials, many more times over the years than you could with lithium.
For the healthiest floor: just use the densifier of your choosing and no further sealers, as most sealers...