Plastic microbeads, those tiny troublemakers found in the personal care products of the early 1990s to the late 2010s, wreak havoc on the environment. These minuscule bits, smaller than a sesame seed, escape the clutches of wastewater treatment plants, accumulating in oceans and rivers where they pose a threat to marine life. Thankfully, soaps and scrubs containing plastic microbeads are impossible to find on today’s store shelves. In recent years, many countries have recognized these microbeads as a source of marine plastic pollution and banned them from personal hygiene products. Microbead bans make room for more environmentally friendly substitutes, allowing…