Are children's toys made of polylactic acid (PLA) safe for toddlers?

What's actually in it

PLA is often marketed as a plant-based or eco-friendly plastic. But at a molecular level, it is still a plastic. When toddlers play with these toys, they don't just sit there. The material breaks down into tiny pieces called microplastics.

These particles are small enough to be swallowed or inhaled during play. Unlike natural materials, these synthetic bits don't just pass through the body without impact. They can build up and affect how your child's body functions.

What the research says

Recent 2026 research in Environ Pollut found that exposure to PLA microplastics can lead to reproductive toxicity. The study showed these plastics decrease testosterone levels by speeding up the aging of specific cells in the body.

The risks aren't limited to hormones. A 2026 study in Toxicology linked PLA microplastic exposure to cardiac fibrosis. This is a condition where heart tissue becomes scarred, which happens because the plastic promotes the premature aging of heart muscle cells.

While some brands push PLA as a safer alternative to conventional plastics, the science shows it carries its own set of risks. When you choose toys for your toddler, it is important to look at the material itself rather than marketing labels.