Research

We work closely with subject matter experts to bring you breakthrough research that you can count on. Explore our data-driven publications and reports.

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Woman with curly hair checking her phone while holding a skincare product.

Cosmetics

Higher hazards persist in personal care products marketed to Black women, report reveals

Out of 4,011 personal care products marketed to Black women, only 21 percent rate as low hazard in EWG’s Skin Deep® cosmetics database according to this newly updated EWG analysis co-authored with BLK...

February 11, 2025

Water

PFAS Chemicals

Getting ‘forever chemicals’ out of drinking water: EWG’s guide to PFAS water filters

Taking ‘forever chemicals’ out of drinking water: EWG’s guide to PFAS water filters. Discover the most effective water filters for reducing PFAS contamination in your water. EWG's extensive tests...

July 11, 2023

Food

Children’s Health

Pesticides

Chlormequat

EWG investigation: Dangerous agricultural chemical chlormequat found in popular oat-based products

A new EWG investigation finds for the first time troubling concentrations of the toxic agricultural chemical chlormequat in oat-based products sold in the U.S., including everyday brands marketed to...

January 31, 2023

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Displaying 97 - 120 of 200

Children’s Health

Cookware & Food Containers

Food

Food Chemicals

Kellogg's Cereal Recall:

July 12, 2010

A substance that leached out of cereal packaging and sickened consumers, spurring Kellogg's recall of 28 million boxes of Froot Loops, Apple Jacks and other popular children's cereals, has been...

Phthalates

Cosmetics

Women's Health

Not So Sexy

May 12, 2010

Laboratory tests commissioned by the Campaign for Safe Cosmetics and analyzed by EWG revealed 38 secret chemicals in 17 name brand fragrance products, topped by American Eagle Seventy Seven with 24...

Chemical Policy

Off the Books

December 1, 2009

The 33-year old law that was supposed to ensure that Americans know what chemicals are in use around them, and what health and safety hazards they might pose, has produced a regulatory black hole, a...

Chemical Policy

BPA

Dioxin

Flame Retardants

Lead

Mercury

Perchlorate

Pesticides

PFAS Chemicals

Cookware & Food Containers

Pollution in Minority Newborns

November 23, 2009

Laboratory tests commissioned by EWG have detected as many as 232 toxic chemicals in cord blood samples collected from 10 minority newborns. Notably these tests show, for the first time, bisphenol A...

Cleaning Supplies

Greener School Cleaning Supplies

November 3, 2009

You clicked an old link. EWG has updated resources on green cleaners you can use to choose healthy cleaning products for your family.

Children’s Health

EWG's Healthy Living Tips

October 18, 2009

EWG's scientists and public health researchers put our heads together and created a list of the most important steps you can take at home to promote your family's environmental health.

Water

Dog Food Comparison Shows High Fluoride Levels

June 26, 2009

EWG science review of fluoride and dental health, and why dogs might be at risk from high-fluoride diets.

Pollution in 5 Extraordinary Women

May 1, 2009

An unprecedented two-year study commissioned by the Environmental Working Group and conducted by four independent research laboratories in the United States, Canada and the Netherlands has documented...

Perchlorate

CDC Scientists Find Rocket Fuel Chemical In Infant Formula

April 2, 2009

Researchers from the U.S. Centers for Disease Control and Prevention (CDC) have reported that 15 brands of powdered infant formula are contaminated with perchlorate, a rocket fuel component detected...

Anniston, Alabama

March 27, 2009

The story of Anniston is a cautionary tale. Monsanto's internal documents, many of which are being posted here for the first time for the world to finally see, uncover a shocking story of corporate...

Children’s Health

Cosmetics

Toxic Chemicals in Kids' Bath Products

March 12, 2009

Children's bath products are often marketed as safe and gentle. However, laboratory tests commissioned by the Campaign for Safe Cosmetics found these products are commonly contaminated with...

PFAS Chemicals

Cookware & Food Containers

Water

Bush Administration Moved to Okay Teflon Pollution

January 14, 2009

In its final days, the Bush administration appears poised to issue an emergency health advisory for tap water polluted with the toxic Teflon chemical PFOA (perfluorooctanoic acid) effectively allowing...

Mercury

FDA's Midnight Mischief Heightens Mercury Risk to Pregnant Women, Infants

December 12, 2008

Fish is loaded with valuable nutrients, including protein, iron, omega-3 fatty acids, which reduce harmful cholesterol, lower blood pressure and prevent blood clots, and selenium, a trace mineral that...

BPA

Independent Science Panel Rebukes FDA on Toxic Plastic

October 29, 2008

FDA's advisory Science Board convened a BPA panel to evaluate an FDA staff risk assessment that termed bisphenol A (BPA) safe in food packaging. In its testimony to the panel, EWG highlighted 7 key...

BPA

Children’s Health

Food

Food Chemicals

Tips to avoid BPA exposure

October 17, 2008

Although completely eliminating exposure to bisphenol A (BPA) may not be possible, there are steps you can take to reduce your family's exposure to this chemical by avoiding common sources and...

Triclosan

Cosmetics

Cleaning Supplies

EWG's Guide to Triclosan

October 12, 2008

It's nearly ubiquitous in liquid hand soap and dishwashing detergent, but those aren't the only products it's in. Triclosan is also a common ingredient in toothpaste, facewash, deodorant, a host of...

EWG's Back-To-School Guide

October 12, 2008

Buying school supplies is an annual end-of-summer tradition. It's also an opportunity to look for safer products for your children and their classrooms.

EWG’s Healthy Home Tips for Parents

October 11, 2008

Choose better body care products.

BPA

Children’s Health

Cookware & Food Containers

Food

Guide to Baby-Safe Bottles & Formula

October 11, 2008

Breast milk is best, but whether you're feeding breastmilk or formula in a bottle, use EWG's guide to feed your baby safely.

Flame Retardants

Fire Retardants in Toddlers and Their Mothers

September 4, 2008

In thehe first investigation of toxic fire retardants in parents and their children, EWG found that toddlers and preschoolers typically had 3 times as much of these hormone-disrupting chemicals in...

BPA

Timeline: BPA from Invention to Phase-Out

April 22, 2008

BPA was invented nearly 120 years ago and currently used in enormous amounts to manufacture hard plastic water bottles and to make epoxy linings of metal food cans, like those for canned infant...

Chemical Policy

Sunscreen

CDC: Americans Carry Body Burden of Toxic Sunscreen Chemical

March 25, 2008

A new study by the U.S. Centers for Disease Control (CDC) reveals that 97% of Americans are contaminated with a widely-used sunscreen ingredient called oxybenzone that has been linked to allergies...

Chemical Policy

Flame Retardants

EPA Axes Panel Chair at Request of Chemical Industry Lobbyists

March 15, 2008

At the request of a chemical industry lobbyist, the Environmental Protection Agency removed the chair of an expert peer review panel charged with setting safe exposure levels for a toxic fire...

Perchlorate

FDA Food Testing Shows Widespread Rocket Fuel Contamination of Commonly Consumed Foods and Beverages

January 16, 2008

A study published in January 2008 by scientists from the US Food and Drug Administration (FDA) finds that three quarters of nearly 300 commonly consumed foods and beverages are contaminated with...

Expert Spotlight

Chemical companies provide quarterly reports on production and sales figures to shareholders. Why shouldn’t the public and EPA receive similar reports every year about commonly used chemicals, some of which could pose a serious health risk?”

David Andrews, Ph.D.

Chief Science Officer

All Experts

News & Insights

Food

Ultra-Processed Foods

Food Chemicals

Dirty Dozen Food Chemicals: BHA

June 4, 2026

EWG’s recommendation

Avoid or limit foods containing BHA.

BHA has been classified as a possible carcinogen, or cancer-causing chemical. Studies have shown BHA to produce oxidative stress, which occurs...

The dose makes the poison – but there’s more to the story

June 3, 2026

Does the dose define how chemicals can lead to harm? Yes.

But is the dose the only thing that “makes the poison”? No.

The idea that the dose makes the poison – originally explained as “all things are...

Photograph: orange pack overflowing with cigarettes on coral background, one loose

Ultra-Processed Foods

New research: It’s time to treat ultra-processed foods like tobacco

June 3, 2026

A special health journal issue on ultra-processed food, or UPF, calls for bold policy action to address the growing public health crisis – and that efforts focused solely on personal responsibility...

Sunscreen

5 viral – but problematic – TikTok tanning trends

June 2, 2026

With the days getting warmer, many are tanning or being outside more. Time in the sun is fun, as long as you protect yourself – and that usually means wearing sunscreen.

But some recent TikTok trends...

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Articles by David Andrews, Ph.D.

EWG’s recommendation