John Spevacek’s opinion piece, published in Plastics Today, critiques the The Plastic Detox, a new Netflix documentary, which follows physician Dr. Shanna Swan as she works with six couples experiencing unexplained infertility. Swan proposes a 90-day “detox” to reduce exposure to plastic additives such as phthalates and bisphenols. While some participants show reduced chemical exposure, increased sperm counts, and a few pregnancies, Spevacek notes Swan herself acknowledges the exercise is not a rigorous scientific study due to its small sample size and lack of a control group.

Spevacek argues that beyond this narrative, the documentary becomes a platform for broader criticism of the plastics industry, often featuring commentators he considers non-experts with preconceived agendas. He highlights what he sees as factual inaccuracies and contradictions, particularly around bisphenol A (BPA), regulatory comparisons between the United States and Europe, and claims about multi-generational chemical effects.

The article also contrasts Swan’s scepticism about industry motivations with the perspective of 'green chemistry' expert, John C. Warner, who argues companies have incentives to ensure product safety. Spevacek concludes that the film lacks coherence, conflates plastics with additives, and relies on fear-driven messaging rather than offering meaningful or scientifically robust insights.

If Netflix gave the option, this hack documentary would be getting two thumbs down from me.