Microplastics in Personal Care

Microplastics in personal care products are tiny plastic particles smaller than 5 millimeters that manufacturers intentionally add to cosmetics and toiletries as exfoliants, fillers, and texture modifiers. Common types include polyethylene, polypropylene, and polyethylene terephthalate (PET). These microbeads are found in facial scrubs, body washes, toothpastes, and other rinse-off products designed to be washed down the drain after use. Once in waterways, microplastics persist in the environment for decades and have been detected in marine ecosystems, freshwater systems, and drinking water supplies, as documented by the United Nations Environment Programme (UNEP) in their marine litter assessment. The environmental concern centers on microplastics' persistence and bioaccumulation potential. Unlike biodegradable exfoliants such as ground apricot kernel or sugar, plastic microbeads do not break down and can be ingested by aquatic organisms, potentially entering food chains. Research has identified microplastics in leading cosmetic brands, as reported by the Environmental Working Group (EWG) in 2018. While direct human health impacts from cosmetic microplastics remain under study, the broader contamination of water systems and food supplies raises public health questions that regulatory agencies continue to monitor. The FDA and European chemicals authority (ECHA) have prioritized microplastics as an environmental and precautionary concern rather than an acute toxicological hazard in the products themselves. Regulatory action has accelerated globally. The U.S. Microbead-Free Waters Act, passed in 2015 and effective in 2018, banned intentionally added microbeads in rinse-off cosmetics and over-the-counter drugs. The United Kingdom implemented a similar ban in 2018. The European Union adopted a more comprehensive restriction through a 2023 REACH amendment that bans microplastics in rinse-off cosmetics immediately and extends restrictions to leave-on cosmetics by 2035, reflecting the EU's broader precautionary approach to persistent pollutants. These regulatory frameworks specifically target intentionally added plastic microbeads; naturally occurring microplastics or those formed through product degradation are addressed separately under marine pollution and waste management policies. Consumers seeking to avoid microplastics should check product ingredient lists for terms such as polyethylene, polypropylene, polymethyl methacrylate (PMMA), polyethylene terephthalate (PET), and nylon. Many brands now market microplastic-free formulations using natural alternatives including ground walnut shell, apricot kernel powder, sugar crystals, sea salt, pumice, and plant-based cellulose. Reading labels for "microplastic-free" or "plastic bead-free" claims can guide purchasing, though consumers should verify such claims against ingredient lists. Solid exfoliating products and bar formulations often avoid microplastics by design. In regulated markets like the US and EU, rinse-off cosmetics should already comply with bans, but checking ingredient lists remains prudent for leave-on products, imported goods, and products from regions without equivalent restrictions. Supporting brands that have voluntarily eliminated microplastics and choosing natural exfoliants reinforces market demand for sustainable alternatives.