Are plastic baby bathtubs safe?
No. Plastic baby bathtubs are often made from materials that leach harmful chemicals, including endocrine disruptors that can interfere with normal development.
What's actually in it
Most plastic baby bathtubs are made from materials like polyethylene or polystyrene. These plastics are not stable. They are designed to hold their shape, but they often contain additives like phthalates (chemicals used to make plastic soft and flexible) and bisphenols (chemicals used to harden plastic).
These chemicals aren't permanently locked into the plastic. They can migrate out of the tub and into the bathwater. When your baby sits in that water, they are exposed to these substances through their skin or by accidentally swallowing the water.
What the research says
Peer-reviewed research shows that these chemicals are not just sitting in the plastic. A 2026 study in J Environ Sci Health B found that phthalates and bisphenols migrate out of common plastic materials like polyethylene and polystyrene.
The health risks are significant. According to a 2026 study in Arch Med Res, Bisphenol A and its related chemicals can change how genes work. This can lead to long-term developmental health issues in children.
Furthermore, early exposure is a major concern. A 2026 study in Environ Res linked maternal exposure to bisphenols and nonylphenol to cases of precocious puberty in girls. Because babies are still developing, they are even more sensitive to these endocrine-disrupting chemicals than adults.
The research at a glance
What to use instead
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