On 28 August 2025, the Washington Department of Ecology adopted a new rule, Chapter 173-339 WAC: Cosmetic Products Restrictions. This new chapter restricts the manufacture, sale, and distribution of cosmetic products in Washington State that contain intentionally added formaldehyde releasers.
Formaldehyde can cause cancer, respiratory problems such as asthma, allergic skin responses, and irritation of and damage to eyes and skin. Restricting these chemicals will reduce exposure to formaldehyde for people who use cosmetic products
The adopted rule:
- Includes a list of 25 formaldehyde releasers that are restricted by rule when intentionally added to cosmetic products. This list will help manufacturers investigate their supply chain and formulate products without chemicals that release formaldehyde.
- Defines "intentionally added" to clarify restrictions on toxic chemicals in the Toxic-Free Cosmetics Act (RCW 70A.560.020). Applying the definition of "intentionally added" to the statutory restriction on formaldehyde restricts all chemicals that release formaldehyde when the formaldehyde serves a function.
The restrictions in the rule and in the Toxic-Free Cosmetics Act:
- Affect cosmetics manufacturers, distributors, retailers, and cosmetology businesses operating in Washington State.
- Apply to cosmetic products used in services, sold online, and sold in physical stores
Key dates:
28 August 2025: Rule adopted
28 September 2025: Rule takes effect
1 January 2027: Restrictions in rule take effect
31 December 2027: Deadline for in-state retailers to sell existing stock
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