Are phthalates in plastic wrap harmful?

What's actually in it

Plastic wrap is designed to be flexible, but that flexibility comes at a cost. Manufacturers often add phthalates to the plastic to make it soft and pliable. These chemicals are not bonded to the plastic. They are free to move, which means they can easily leak out of the wrap and into your food.

Beyond the additives, plastic wrap itself can break down. When it touches your food, it can shed tiny pieces of plastic known as microplastics. This is a common issue with plastic food packaging, as shown in a 2026 study in Sci Total Environ.

What the research says

The science is clear: plastic packaging is a source of chemical exposure. A 2026 study in Sci Total Environ confirms that phthalates and other plasticizers are commonly found in plastic materials. These chemicals are used to change the physical properties of the plastic, but they don't stay inside the material.

This peer-reviewed research highlights that when you use plastic wrap, you are risking direct contact between your food and these additives. Because these chemicals can move from the wrap into your meal, you end up eating them. This is a significant concern for daily kitchen use, as the more you use these products, the more you are exposed to these substances.