The Washington Department of Ecology (Ecology) started a rulemaking to develop a new chapter in the Washington Administrative Code (WAC): Chapter 173-339 WAC—Cosmetic Products Restrictions. Ecology is conducting this rulemaking to: • Make cosmetics safer for consumers and the environment. • Reduce consumers’ and workers’ exposure to formaldehyde. • Address the disproportionate harms caused by cosmetic products in overburdened communities and vulnerable populations. • Reduce the amount of formaldehyde entering the environment. Under the authority of Chapter 70A.560 RCW (Toxic-Free Cosmetics Act), Ecology may adopt a rule that identifies chemicals used in cosmetic products that release formaldehyde (formaldehyde releasers) and adopt restrictions for the identified formaldehyde releasers. This rule may include: • Restrictions that apply to the use of specified formaldehyde releasers used in cosmetic products. • Allowances for products currently in the chain of commerce—stockpiled or available for purchase. • Compliance schedules. • Definitions of key terms such as “intentionally added.” • Other requirements or restrictions allowed by law. Background People use cosmetic products every day to clean their bodies or alter their appearance. Cosmetic products include items such as makeup, perfume, shampoo, hair gels, body wash, deodorant, hand lotion, and shaving cream. These products can contain chemicals that are toxic to people and the environment. In the Chemicals in Cosmetics Used by Washington Residents report (January, 2023), Ecology and the Department of Health found that many cosmetic products contain toxic chemicals. Some products disproportionately marketed to women of color, such as hair relaxers and skin lightening creams, often contain toxic chemicals. Some chemicals used in cosmetic products release formaldehyde, which exposes people to the chemical when they use the product. Formaldehyde can cause cancer, harm brain function, increase the risk of asthma, and irritate eyes and skin. Exposure can also lead to allergic reactions. Cosmetic products also can release formaldehyde into indoor and outdoor air. Formaldehyde can also enter wastewater streams as products are washed down the drain. In 2023, Washington state adopted Chapter 70A.560 RCW to ensure the safety of cosmetic products and protect Washington residents from toxic exposure. The law: • Restricts the manufacture, sale, and distribution of cosmetic products containing nine chemicals or chemical classes. • Directs Ecology to assess the hazards of chemicals or chemical classes that can provide the same or similar function as the restricted chemicals or chemical classes and make that information available to the public. • Directs Ecology to implement initiatives to support small businesses that manufacture cosmetic products, and to support independent cosmetologists and small businesses that provide cosmetology services in efforts to transition to safer cosmetic products. • Authorizes Ecology to adopt a rule that restricts the use of specified formaldehyde releasers in cosmetic products.