AB 1901CALIFORNIASession 20252026

California AB 1901 requires diaper manufacturers to disclose all intentionally added ingredients online and on packaging

Original title: Children's diapers: intentionally added ingredients: disclosure.

September 4, 2026

Children's diapers Consumer protection Chemical disclosure Manufacturing regulations Public health Children'sdiapers disclosure intentionallyaddedingredients

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Where This Stands

Currently Unknown. The next step in the legislative lifecycle is Introduced.

Version history & redline

5 versions on file

Official version history is partial: 5 linked texts are unavailable or incomplete. Source links remain available below.

Comparing 03/16/26 - Amended Assembly → 05/18/26 - Amended Assembly

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Redline computed from the official version text (record lane).View this version →

The Frame

What this does

Parents and caregivers will gain access to a full list of chemical ingredients in children's diapers, while manufacturers face new compliance costs and potential fines for failing to disclose product contents.

Who is mentioned in the record

Potentially affected actors named in the source documents. Mention is not a position.

Children's diaper manufacturers

Manufacturers must update product packaging and maintain a website disclosing all intentionally added ingredients to comply with state law.

Department of Toxic Substances Control

The department is tasked with enforcing the new disclosure requirements and managing the associated penalty funds.

What changed

Last recorded activity September 4, 2026.

What's next

Introduced.

Summary

This bill requires manufacturers of children's diapers to list all s on their websites by January 1, 2029, and to include a link to this information on product packaging by July 1, 2029. It establishes administrative penalties of up to $5,000 for a first violation and $10,000 for subsequent violations for companies that fail to comply.

Key Facts

You don't have to trust us. Each fact below is taken straight from the official document - click any one to see the exact passage, highlighted in the original.

Why It Matters

Frequently Asked Questions

What information must be disclosed about diaper ingredients?

Manufacturers must provide the name of the chemical or raw material, its , and its specific function or purpose in the product, all ordered by weight.

What happens if a manufacturer does not comply?

The Department of Toxic Substances Control can enforce the rules, and manufacturers face administrative penalties of up to $5,000 for a first violation and $10,000 for each subsequent violation.

News Coverage

No news coverage found yet. Articles are indexed twice daily.

Discoveries

Patterns POLISCOPE noticed across the record. These are observations to investigate, not conclusions.

policy shift90% confidence

Expansion of Ingredient Transparency

This bill extends existing state-level chemical disclosure requirements from food packaging and textiles to children's diapers.

Department of Toxic Substances Control

Connected Entities

organizationDepartment of Toxic Substances Control“The department is authorized to enforce disclosure requirements and manage penal”Map →

personDirector of Toxic Substances Control“Administrator of the Toxic Substances Control Account.”Map →

organizationToxic Substances Control Account“Fund used to implement and enforce the disclosure requirements.”Map →

Sources

Open source document

openstates.org

Analysis Score

0–100

Significance65
How much this matters to a regular citizen
Controversy40
Intensity of disagreement among stakeholders
Entertainment10
Compellingness for a non-policy-wonk reader
Buzz25
Current news / social attention level

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