i'm seeing more and more places use foam-type soap and dispenses rather than the traditional liquid one. the foam is initially in liquid state.
1) so, does foam soap last longer than liquid soap given the same liquid volume?
2) how does the dispenser turn the liquid into foam?
thanks ATOT!
1) so, does foam soap last longer than liquid soap given the same liquid volume?
2) how does the dispenser turn the liquid into foam?
thanks ATOT!
