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Mercury in Skin Lightening Creams Hides Behind Other Labels, FDA and New York Data Show

Eyal Barta •
#Heavy Metals#Mercury#Cosmetics

FDA tells consumers not to use over-the-counter skin lightening products, and its warning page, last updated August 24, 2026, lists creams its labs tested this year, one of them containing 27,762 parts per million of mercury. That number is the familiar part of the mercury in skin lightening creams story. The less familiar part comes from a New York City study dated August 15, 2026: the word “lightening” on a jar turns out to be a weak signal of whether the product contains mercury. This article covers what regulators found and when they found it, how mercury in a cream gets into the body, which label clues to check, and what to do if you already have a jar at home.

What FDA’s August warning actually says

FDA puts it plainly: there are no FDA-approved or legally marketed OTC skin lightening products. The agency says its lab testing since 2019 has found high mercury levels in some of them. It also says it does not allow mercury in drugs or cosmetics except under very specific conditions, and these products don’t meet those conditions. Some products in this category are sold as injectables rather than creams.

FDA lists eight products tested in 2026, six of them sold on eBay. Three of the eBay listings:

Pay attention to the recall notes. Taking down a listing closes one storefront. It does nothing about jars that were already sold. FDA also found hydroquinone in some products, which it links to reports of rashes, facial swelling and possibly permanent skin discoloration called ochronosis.

A month later, FDA published Import Alert 53-21 on September 28, 2026. It lets FDA field staff hold imported cosmetics without physically examining them when the products appear to contain a poisonous or deleterious substance. The alert covers adulterated cosmetics in general, and it takes over the firms and products from Import Alert 53-18, FDA’s earlier alert on skin whitening creams containing mercury.

”Lightening” is the wrong word to watch for

The New York City study looked at products bought in the city between 2009 and 2022. Among creams labeled for under-eye circles, 88% contained mercury. So did 49% of acne or blackhead products. Creams that listed skin lightening as a use contained mercury 26% of the time. The study also found that many of the highest-mercury products were sold as “beauty creams”.

Use listed on the label (NYC, 2009–2022)Share containing mercury
Under-eye circles (creams)88%
Acne or blackheads (all products)49%
Anti-aging or wrinkles (creams)31%
Spot, mark or freckle removal (creams)28%
Skin lightening (creams)26%

Here’s why that matters. A shopper who avoids anything marked “whitening” but buys an imported spot remover or eye cream is still exposed to the same risk.

Ingredient lists help when a product has one. FDA says that if the words “mercurous chloride,” “calomel,” “mercuric,” “mercurio,” or “mercury” are on the label, the product contains mercury and you should stop using it. If there is no label and no ingredient list, FDA says not to assume it’s fine and not to use it. CDC’s toxic substances agency names ammoniated mercuric chloride and mercuric iodide. A review on PubMed Central adds mercurous oxide and mercuric chloride.

How a cream becomes a body burden

Manufacturers add mercury because it works, at least on the surface. Mercury salts block melanin production by competing with copper in tyrosinase, the enzyme the skin uses to make pigment. Inorganic mercury passes through the epidermis, sweat glands, sebaceous glands and hair follicles. With repeated use, it can reach the bloodstream.

FDA’s list of possible harms includes kidney damage that can lead to rapid kidney failure, along with tremors, numbness, headaches, fatigue and mood or cognitive changes. The agency says the risk grows the longer and more often these products are used, and that children and pregnant individuals face heightened risks. CDC’s toxicological profile notes that calomel ointments used for skin lightening and acne have caused elevated urinary mercury and poisoning.

People who never opened the jar

Mercury doesn’t stay with the person using the cream. The New York study notes that people living with a user may inhale mercury vapors from the products. A 2021 case report describes a 4-year-old poisoned by indirect contact with a mercury-containing facial cream. A 1987 report describes a 3-month-old infant whose mother used mercury cream during pregnancy and breastfeeding.

DateEventImpact
1973High blood mercury in cream usersEarly warning sign
1987Infant poisoned via mother’s cream useHarm beyond the user
1990One cream had 17.5% mercury salt—
199738 Saudi market creams analyzed—
2019FDA testing finds high-mercury productsStart of FDA’s product table
2021Case report: child exposed indirectlyHousehold risk
Dec 21, 2022FDA consumer updateLabel words, sealing advice
Aug 15, 2026NYC study of 2009–2022 purchasesLabels mislead
Aug 24, 2026FDA warning lists eBay creamsUp to 27,762 ppm
Sep 28, 2026Import Alert 53-21 publishedBroad border tool

If you’ve already used one

First, stop using it. FDA advises consumers not to use these OTC products and suggests talking to a doctor about treatment options for dark spots.

Don’t just throw it out. FDA says to seal it in a plastic bag or leak-proof container first, and to check with your local environmental, health, or solid waste agency for disposal instructions. For urgent questions, call the Poison Center at 1-800-222-1222, open 24 hours a day.

Ask about testing. The New York City Health Department advises doctors to order mercury urine and blood tests for people who report using these products. CDC’s public health statement says mercury levels in blood, urine, breast milk or hair may be used to judge whether health effects are likely. If other people live with you, especially children, mention them to the doctor too.

Two lessons stand out from FDA’s 2026 table and the New York data. Checking the label for “lightening” isn’t enough, and the cream can affect everyone in the home, not just the person who uses it.

Sources

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