Toxic chemicals may be hiding in makeup

| Hazardous Waste Management Program in King County
Five people sit around a round table with a white tablecloth with papers, crayons, plastic water bottles. One person in a headscarf is speaking and the others are listening.

Afghan community members participating in a community forum. Photo: Courtesy of Haz Waste Program.

Through community collaboration, research from the UW and the Hazardous Waste Management Program in King County finds elevated lead levels in traditional eyeliners

New research from the UW and the Hazardous Waste Management Program (Haz Waste Program) in King County finds dangerously high levels of lead in traditional eyeliners worn by adults and children in local immigrant and refugee communities.  

Headshot of Diana Ceballos.
DEOHS Assistant Professor Diana Ceballos.

The study, published in PLOS Global Public Health on June 25, found lead levels in traditional eyeliners hundreds of thousands of times higher than Washington restriction levels under the Toxics Free Cosmetics Act — even in products labeled “lead free” that are available on sites such as Amazon, Etsy and eBay. 

“It's shocking that in 2025, we're still seeing cosmetics on the market with lead as a main ingredient — like we learned nothing from history,” said Diana Ceballos, an assistant professor in the UW Department of Environmental & Occupational Health Sciences (DEOHS) who partnered with the Haz Waste Program on the research. “Also incredible to see that some of these traditional eyeliners were being commercialized as lead free. It blew our minds.” 

The lead author of the study, Aesha Mokashi, is a DEOHS alumna who began this research as a master’s student under the supervision of Ceballos, and is now a health and environmental investigator with the Haz Waste Program.

Lead in traditional eyeliners 

Kohl, kajal and surma are traditional eyeliners worn by adults and children in local immigrant and refugee communities, including the local Afghan community. These eyeliners may contain toxic chemicals such as lead, which can damage the brain, heart and other parts of the body.   

Lead poisoning is particularly a concern for children. Traditional eyeliners are applied on children from infancy for a variety of religious, cultural and medicinal reasons. When a child rubs their eyes and puts their hand in their mouth, they can ingest lead.  

Headshot of Aesha Mokashi standing inside in front of a window.
DEOHS alum and Haz Waste Program investigator Aesha Mokashi.

Local scientists in the Haz Waste Program, in partnership with DEOHS researchers, found lead concentrations in traditional eyeliners well above Washington’s restriction levels.  

Some traditional eyeliners had lead levels over 800,000 times higher than these standards. Even products labeled “lead-free” had concentrations up to 600,000 times higher than restriction guidelines.   

Despite U.S. regulations limiting lead content in eyeliners, as well as an FDA Import Alert on traditional products, researchers were able to readily purchase lead-containing eyeliners online when attempting to do so from locations within King County. 

What makes this research unique  

The Haz Waste Program aims to support King County residents in their daily lives, and this work couldn’t have been done without community participation. Building on previous work evaluating lead in imported cookpots, the Program partnered with the Afghan Health Initiative to reach out to community members to learn more about the use of traditional eyeliners and opportunities to promote safer alternatives.   

The community came together to let the Program know which products to test and where to buy them. They brought in product samples and made lists of additional products and the retailers where they made purchases.  

They also advised the Program on which safer alternatives would work for them. What makes this study so special is more than the findings, it’s the level of immigrant and refugee community participation in the research.   

Mokashi stands at a lab bench holding an X-ray fluorescence analyzer over an eyeliner sample.
Mokashi tests a sample with an X-ray fluorescence analyzer in the Haz Waste Program lab. Photo: Courtesy of Mokashi.

“The combination of community participatory research and statistical analysis related to lead in eyeliner is unique,” Mokashi said.  

“To our knowledge, this is a novel approach. In a time of divide between government and immigrant communities, this is one way local Afghan communities and King County are leaning in,” she said. “It’s a problem-solving success story that wouldn’t be possible without community involvement and community wisdom.”  

Raising awareness

Prior to this project, most community participants in the research (90%) were unaware that traditional eyeliners might contain lead, but most were open to safer alternatives recommended by the Haz Waste Program after learning about the issue. Nontraditional eyeliners tested by the team had significantly less lead than traditional eyeliners. 

Some community participants said they preferred using a mineral that comes from the earth in their eyeliner, assuming it would be more natural and better for the body, Mokashi said. 

“Unfortunately, that mineral is lead sulfide,” or galena, she said. “But if we share our research showing that nontraditional eyeliners are healthier or safer to use, then I think that would be a draw for people to use the safer alternative.” 

King County is making a point to follow up with community members to close the loop and let them know how their participation in the research had an impact. With new insights on safer alternatives, King County can also facilitate community-led interventions to promote these alternative products.  

The Haz Waste Program hopes to reach local Afghan audiences who may be exposed to get them tested for lead poisoning, in collaboration with the Afghan Health Initiative.   

"A bottle of imported eyeliner with a wand applicator. The cap is sitting next to the wand and has a picture of a woman with a headscarf and Arabic text. Near the eyeliner is a post-it note reading 12/4/23 EL 56.
A sample of traditional eyeliner analyzed in the Haz Waste Program lab. Photo: Courtesy of Mokashi.

What you can do at home  

Want to find safer beauty products right now? These sites can help: EWG Skin Deep, Black Beauty Project and COSMOS Standard (for natural/organic products).    

If you are concerned about lead poisoning, call your healthcare provider for a blood test. 

Tips based on the team’s research

  • Avoid products whose ingredients include “lead,” “lead sulfide,” or “galena.” Pay special attention to ingredients in eyeliners that are labeled as “traditional,” “khol,” “kajal” or “surma.”
  • Do not base purchases on labels claiming to be “lead-free.”
  • Products regulated by the U.S. Food and Drug Administration and in the European Union had significantly less lead than other products the team tested.
  • Diluted products such as cream eyeliners the team tested had less lead than concentrated powdered eyeliners, but they are not guaranteed to be lead-free. 

More resources: Video from the Washington State Department of Ecology 

To learn more about this research, contact Aesha Mokashi at aeshmokashi@kingcounty.gov. 

Adapted from the original story here.

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