As cleaning, safety and wellness products continue to be a priority for American households, spending on this segment has increased 34% since COVID-related worries began at the end of February, according to data released by NCSolutions (NCS), a company that improves advertising effectiveness for the consumer packaged goods ecosystem.  Sales of hand sanitizer notched the highest gain in the category over the period — up 838% — followed by bar and liquid soap (+65%) and antiseptics and disinfec...