California law would force companies to disclose toxic chemicals in disposable diapers

California lawmakers have proposed a new law that would compel diaper manufacturers to disclose the chemicals used in their products. The legislation, which has already passed the state assembly with overwhelming support, will now move to the state senate for further consideration. The bill aims to reveal a "mystery cocktail" of toxic substances commonly found in disposable diapers, such as phthalates, lead, PFAS, quats, arsenic, volatile organic compounds (VOCs), and various fragrances.

These chemicals, which can include up to 1,200 different compounds, pose a particular risk to infants due to their thin skin and continuous close contact for years. Many of these substances, like phthalates, can disrupt the endocrine system, potentially interfering with critical hormones necessary for brain and reproductive development.

While states other than New York do not require full disclosure of diaper ingredients, California's law goes further by mandating transparency on a public website and packaging by 2029. Advocates argue that this transparency would put significant pressure on manufacturers to use safer materials and provide consumers with crucial information to protect their infants.

The bill enjoys broad backing from over 150 public health organizations and aims to create market incentives for non-toxic diaper alternatives. Despite industry claims that certain ingredient disclosures are protected by confidential business information laws, supporters maintain that these laws do not apply to diaper ingredients.

California's governor, Gavin Newsom, who is considering a presidential run, has previously vetoed similar stringent chemical legislation. However, the bill's prospects appear strong, as it could set a precedent for other states to follow and significantly influence the market for safer diaper options. Parents are advised to be cautious of vague marketing claims and to seek out diapers that have been certified as safer by organizations like the Environmental Working Group.