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 505 - 508 of 508

PFAS Chemicals

Cookware & Food Containers

EWG's Guide to Perfluorochemicals

EWG's guide to perfluorochemicals gives a quick overview of the issue and the health concerns. Tips are provided on how to avoid these chemicals.

Children’s Health

EWG's Guide to Healthy Childcare

Seal or remove arsenic-treated wood decks & play structures. Those built before 2003 likely contain arsenic. Don't allow children to eat at older picnic tables (or cover them with a cloth). Have kids...

Eddie's healthy pet tips

Founded by Eddie – just another dog on a mission – and in conjuction with research by Environmental Working Group, Pets is out to create a healthy environment for pets and people.

Perchlorate

Water

EWG's Guide to Safe Drinking Water

Read EWG researchers' top tips to learn how to stay hydrated while reducing your exposures to common drinking water pollutants. Download as PDF

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.

Acting Chief Science Officer

All Experts

News & Insights

Best bang for your buck: Kids' sunscreens

May 20, 2025

School’s almost out, and kids will soon be enjoying their favorite part of the year – summer vacation. Whether that means beach trips, summer camp or making memories with other neighborhood kids, they...

Water

Children’s Health

Arsenic

Chromium-6

Mercury

Lead

Harmful heavy metals: Why they’re in tap water and how to reduce your exposure

May 15, 2025

Heavy metals can be harmful even at low levels in tap water.
Lead is a heavy metal contaminant in that it comes from pipes, not polluters.
Filters like reverse osmosis can remove some heavy metals from...

Food

Children’s Health

Food Chemicals

Not so g-r-r-reat: How food ads shape the diets of children and teens

May 14, 2025

Before most kids can spell “nutrition,” they’ve already seen thousands of advertisements for candy-colored cereal, salty snacks and sugary soda.

According to a 2024 study, children between the ages of...

A young woman brushes her curly hair while smiling in front of a mirror.

Cosmetics

Women's Health

Study finds cancer-causing chemicals in personal care products used by Black women and Latinas in L.A.

May 13, 2025

A new peer-reviewed study finds that many personal care products used by Black women and Latinas every day contain harmful chemicals linked to serious health risks, including cancer.

The researchers...

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Key Issues

Women's Health

Food Chemicals

Research

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

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

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

Areas of Focus

EWG's Guide to Perfluorochemicals

EWG's Guide to Healthy Childcare

Eddie's healthy pet tips

EWG's Guide to Safe Drinking Water

David Andrews, Ph.D.

Fluoride in drinking water: What we know about its safety and risks

Hidden ‘forever chemicals’ in popular high-end smartwatch and fitness tracker bands

‘Forever chemicals’: Top 3 ways to lower your exposure

EWG comments on the WHO proposed guidelines for PFOA and PFOS contamination of drinking water

Best bang for your buck: Kids' sunscreens

Harmful heavy metals: Why they’re in tap water and how to reduce your exposure

Not so g-r-r-reat: How food ads shape the diets of children and teens

Study finds cancer-causing chemicals in personal care products used by Black women and Latinas in L.A.

Key Issues

Research

Areas of Focus

Related Articles

Articles by David Andrews, Ph.D.