The Problem with Plastic Liners

Many shower liners labeled as “non-toxic” or “PVC-free” still contain synthetic materials like PEVA or EVA, which can release undisclosed volatile organic compounds (VOCs) such as acetaldehyde, a suspected carcinogen. Manufacturers aren’t required to list all chemical additives, including plasticizers, stabilizers, or flame retardants, so consumers may unknowingly be exposed to chemicals that disrupt hormones or cause irritation.

They Off-Gas Harmful VOCs into Your Bathroom Air

Steamy Showers, Toxic Air

Most plastic liners, even those labeled “non-toxic”, release volatile organic compounds (VOCs) like formaldehyde and acetaldehyde, especially when exposed to steam. These compounds have been linked to respiratory issues and even certain cancers.

EPA studies show indoor air can be 2–5x more polluted than outdoor air, largely due to off-gassing from synthetic home products.

They Lower Your Air Quality

Your Bathroom Air Isn’t as Clean as You Think

In a small, steamy space like a bathroom, airborne chemicals released from liners build up. This affects not just your lungs, but your overall energy, sleep, and immunity.

A 2008 study by the Center for Health, Environment & Justice (CHEJ) found that PVC shower curtains can release over 100 toxic chemicals into the air, some persisting for weeks.

They Can Disrupt Your Hormones

Hormone Havoc, Hiding in Plain Sight

Traditional liners often contain phthalates, known endocrine disruptors that mimic hormones in the body. These chemicals have been associated with reproductive issues, early puberty, and thyroid dysfunction.

The CDC reports detectable levels of phthalates in 98% of Americans tested.

They Harm Children the Most

Small Lungs, Big Impact

Young children and infants are especially vulnerable to chemical exposure because their immune, hormonal, and respiratory systems are still developing. Shower steam amplifies exposure through inhalation and skin contact.

Children breathe more air per pound of body weight than adults, making airborne toxins even more impactful.

They Degrade and Pollute Over Time

Built to Break Down and Pollute

Cheap liners break down quickly, shedding microplastics into your air, bathwater, and eventually the environment. You replace them frequently, adding to landfills and plastic pollution.

The average U.S. household replaces a plastic liner every 6–12 months, adding to the 380 million tons of plastic waste produced globally each year.

They’re Often Marketed as Safe Without Regulation

“Non-Toxic”? Prove It.

The terms “non-toxic,” “eco-friendly,” or “PVC-free” aren’t regulated. Many products still contain EVA, PEVA, or hidden plasticizers that quietly impact health and indoor air.

There’s no requirement in the U.S. for brands to disclose all chemicals used in plastic home goods.