As with almost every other class of nanomaterial with commercial applications, research and development of nanosilver has outpaced our understanding of the potential consequences of the use of this technology.
Nanoscale silver particles are currently used in more manufacturer identified products than any other nanomaterial.
There are (as of August 2009) at least 259 products which utilize some form of nanosilver for their function, ranging from textiles (socks and linens) to cosmetics/hygiene products (toothpastes, make-ups), from appliances (washing machines and refrigerators) to cleaning agents (detergents, soaps), and from kitchen supplies (food storage containers, bakeware, cutting boards) to toys and building materials (paints, caulks, glues).
Silver nanoparticles may also make an appearance in commercialized food packaging materials in the future. Unfortunately, the effect of this increase in the use of nanoscale silver on human health and the environment is unclear.