Is antibacterial soap any better than regular soap?
It seems like everything is “antibacterial” these days. About 75 percent of liquid soaps currently on shelves in American grocery stores display that word on their labels, and we are constantly adding new antibacterial products to our cleansing arsenals. So are we cleaner now than ever before? Some experts say no. Photographer: Stephen Firmender | Agency: Dreamstime.com Most liquid soaps in America are now antibacterial. First let’s take a look at how soap works on a chemical level. To make soap, you need to combine an acid and a base (or alkali). The acid is fat (fatty acids and triglycerides), and the base is sodium hydroxide (NaOH). The mixture causes the fatty acids to separate from the triglycerides and fuse with the hydroxide ions, forming a salt that we call “soap.” Soap has two main functions: • Decrease water’s surface te
