Is sunscreen really contaminated with heavy metals, like lead and arsenic?
They're naturally occurring elements so it's hard to escape them
There are scattered reports lately— just in time for summer — of heavy metal contaminants in sunscreen. But before you pitch all your sunscreen and face the sun’s rays alone, it’s worth doing the old risk vs. benefit analysis.
Longterm exposure to heavy metals like lead, cadmium, arsenic and mercury isn’t ideal but melanoma, the most deadly form of skin cancer, is no walk on the beach either.
It’s worth keeping in mind that few of us spend all day in the sunshine and many of those who do, like grizzled road and construction workers, are mostly covered up with protective gear. So for most Americans, sunscreen is a sometime thing.
The likelihood that applying sunscreen for a few hours now and then will cause grievous harm from heavy metal exposure appears slim, whereas the American Cancer Society expects about 8,510 people to die from melanoma in 2026. About 112,000 people are expected to contract the disease and many will undergo surgery, chemotherapy, immunotherapy and other unpleasant treatments.
So, according to the U.S. Food and Drug Administration, the safest strategy today is not to stop using sunscreen. Instead, choose reputable brands that disclose testing, avoid aerosol sprays when possible, and pay attention to emerging heavy-metal test results as more independent labs begin examining sunscreen products.
What to know
Some independent testing has found trace amounts of lead and other heavy metals in certain sunscreens, particularly mineral sunscreens that use zinc oxide or titanium dioxide. Those minerals are mined from the earth and can contain naturally occurring contaminants.
The FDA has found that most externally applied cosmetics contain either very low levels of lead or none that can be detected, and says the amounts it has found generally do not appear to pose a health risk.
Lead is poorly absorbed through intact skin, so a trace amount in a sunscreen does not create the same risk as lead in drinking water, food, dust, or paint chips. Research on dermal exposure suggests only a tiny fraction passes through the skin barrier.
There is ongoing debate because some consumer advocates argue that any avoidable lead exposure is too much, especially for children. Independent testing groups have recently reported finding lead in many sunscreen products, although the levels and health significance vary widely.
What brands are “clean?”
Unfortunately, there is no universally accepted “clean list,” because neither the FDA nor Consumer Reports currently rates sunscreens specifically on heavy-metal contamination. However, if minimizing potential lead, cadmium, arsenic, and mercury exposure is your goal, you might want to look for brands that provide supplier testing, batch testing, or third-party verification.
The Environmental Working Group publishes an annual list of “certified” sunscreens that can provide some guidance. There are also several ventures that herald various health risks and then offer to sell you their research — like ConsumerLab.com.
Its site discusses which chemicals may be found in sunscreen and what the risks are and also promotes its list of “clean” brands. Want to see what’s on that list? It will cost you $4.79 per month for two years (billed in one lump sum for $115.00).
If you’d rather save $115.00, check this list. Based on the available testing and transparency programs, these are among the more credible brand options:
Brand - Why it’s worth considering (sources in parentheses)
Pipette - One of the few brands reported by independent testers as having “non-detect” results for lead, cadmium, arsenic, and mercury in at least one sunscreen product tested. (Lead Safe Mama)
Thinkbaby - Frequently appears on dermatologist and environmental-health recommendation lists and emphasizes ingredient transparency. (Dr. Axe)
Thinksport - Similar sourcing and formulation approach to Thinkbaby; often recommended by safety-focused reviewers. (Dr. Axe)
Stream2Sea - Publicly discusses contaminant testing and environmental screening of ingredients. (Dr. Axe)
ATTITUDE - Participates in EWG Verified programs and publishes substantial ingredient documentation, though that is not the same as heavy-metal certification. (EWG)
A few caveats:
Many of the recent heavy-metal findings come from activist-led testing projects rather than government testing, so results should be viewed as useful but not definitive.
Zinc oxide itself can contain trace contaminants because it is derived from mined minerals. That doesn’t mean all zinc-based sunscreens are problematic, but it does mean manufacturing controls matter.
Some independent testing has found elevated heavy metals in products from brands that otherwise have strong safety reputations, which suggests consumers should focus on testing transparency rather than marketing claims alone.
What to do
It’s up to the individual to decide how much credence to put into the most alarming claims. In some ways, the sunscreen lead issue is beginning to resemble the talc controversy — naturally occurring mineral ingredients, trace contamination, evolving testing methods, and a regulatory system that has not yet established clear heavy-metal limits.