USA - California Enacts Ingredient Disclosure and Labelling Requirements for Children’s Diapers

By January 1, 2029: Manufacturers must publish a list of intentionally added diaper ingredients on a dedicated website page (or product-details page).

The list must include ingredients by weight, chemical/raw-material name, CAS number, and their purpose/function.

By January 1, 2029: Diapers manufactured or distributed in California must display the website address and ingredient list on the outer packaging.

By July 1, 2029: This packaging requirement also applies to all diapers sold in California.

The Department of Toxic Substances Control may enforce the requirements.

Non-compliant children’s diapers may not be manufactured, distributed, or sold in California.​

According to the definition, "Children’s diaper” means an absorbent garment or product that is designed, manufactured, processed, fabricated, packaged, or marketed to be worn by children, including infants and toddlers, and to absorb or contain urine and fecal waste, including, but not limited to, a disposable brief, protective underwear, liner, booster, insert, or underpad. “Children’s diaper” includes any of a diaper’s components, including, but not limited to, wetness indicators, absorbent linings or fillings, outer shells, adhesive tabs, dyes, or fragrance.​