No, there's no proof sunscreen increases cancer risk

France24 · 🇫🇷 public France · Jul 30, 2026 · 909 words · By The FRANCE; Nora LITOUSSI

Scientific Fact-Checking Public Health Safety Social Media Misinformation

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What to know about Scientific Fact-Checking

No, there's no proof sunscreen increases cancer risk Social media posts are pointing to a study of more than 470,000 people to argue that sunscreen increases the risk of skin cancer.

Claims checked 12

Techniques found 2

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center88%

Right12%

8 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

No, there's no proof sunscreen increases cancer risk Social media posts are pointing to a study of more than 470,000 people to argue that sunscreen increases the risk of skin cancer.

Why it matters

However, the study didn't examine whether sunscreen is dangerous, and its findings have been largely distorted.

Common ground

A study involving nearly 470,000 participants allegedly shows that “sunscreen users face dramatically higher risks of all major skin cancers” – at least according to Nicolas Hulscher, a key figure in the US anti-vaccine movement.

Perspective signals

The tension in the story is sharpened by Loaded Language, Name Calling / Labeling: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What new context would change how readers understand this Scientific Fact-Checking story?
What evidence would most clearly confirm or weaken the claim that In France, the National Cancer Institute recommends combining protective clothing, seeking shade, and avoiding peak sun hours with the application of a broad-spectrum sunscreen... with a sun protection factor of 50 or higher?
How does this story connect Scientific Fact-Checking with Public Health Safety over the next few days?

open_in_new Read the original article: https://www.france24.com/en/health/20260730-no-proof-sunscreen-increases-cancer-…

psychologyPropaganda Techniques Detected

eFinder identified 2 propaganda techniques in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning

Loaded Language 70% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

warning

Name Calling / Labeling 80% confidence

Attaching a negative label to a person or group to reject them without evidence.

Why it matters: Recognizing name calling / labeling helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 12 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 5

schedule Pending 2

report Misleading 2

help Insufficient Evidence 2

info Single Source 1

schedule

Claim 1: “In France, the National Cancer Institute recommends combining protective clothing, seeking shade, and avoiding peak sun hours with the application of a broad-spectrum sunscreen... with a sun protection factor of 50 or higher.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 2: “Nicolas Hulscher made the assertion in a post on X that has garnered more than two million views.”

CORROBORATED

France 24 explicitly confirms that Nicolas Hulscher made the assertion in a post on X that garnered more than two million views.

travel_explore

web search NEUTRAL — Hulscher made the assertion in a post on X that has garnered more than two million views.The study cited by Nicolas Hulscher, published in 2023 by Canadian researchers, was not designed to evaluate wh…
https://www.france24.com/en/health/20260730-no-proof-sunscre…

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web search NEUTRAL — On The Matt Gaetz Show w/ special guest Epidemiologist Nicolas Hulscher breaks down a new study of more than 470,000 people that found sunscreen users had dr...
https://www.youtube.com/watch?v=aIxIrJT2FvQ

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web search NEUTRAL — Nicolas Hulscher, MPH. Menu. Home About Studies Media Press Contact.Thirty-one published studies, twenty-nine of them peer-reviewed, on vaccine safety, cardiovascular pathology, genomic dysregulation,…
https://nicolashulscher.com/

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Claim 3: “The study cited by Nicolas Hulscher, published in 2023 by Canadian researchers, was not designed to evaluate whether sunscreen is dangerous or if it increases the risk of skin cancer. It aimed to identify genetic factors that may influence a person’s risk of developing the disease.”

CORROBORATED

France 24 and other fact-checks confirm the study was not designed to evaluate sunscreen safety but rather other factors, and the MUHC source confirms the focus was on high-risk individuals and their behaviors.

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wikipedia NEUTRAL — Andrew Lutfy, born in Montreal in August 1964, is a Canadian billionaire businessman. He is president and owner of Groupe Dynamite and CEO of Carbonleo.
https://en.wikipedia.org/wiki/Andrew_Lutfy

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wikipedia NEUTRAL — The McGill University Health Centre (MUHC; French: Centre universitaire de santé McGill; CUSM) is one of two major healthcare networks in the city of Montreal, Quebec. It is affiliated with McGill Uni…
https://en.wikipedia.org/wiki/McGill_University_Health_Centr…

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wikipedia NEUTRAL — Ravenscrag (also known as Hugh Allan House and Hugh Montagu Allan House) is a historic mansion located in the Golden Square Mile in Montreal (Quebec), Canada. Built mainly between 1861 and 1863, this …
https://en.wikipedia.org/wiki/Ravenscrag,_Montreal

+ 3 more evidence sources

report

Claim 4: “A study involving nearly 470,000 participants allegedly shows that “sunscreen users face dramatically higher risks of all major skin cancers””

MISLEADING

While it is true that a study of 470,000 people was cited by some to make this claim, multiple sources (France 24, AAP, HealthyForLife) clarify that the study did not conclude sunscreen increases cancer risk, but rather observed a correlation likely due to users spending more time in the sun.

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wikipedia NEUTRAL — The Mongols are an East Asian ethnic group native to Mongolia and China (Inner Mongolia and other 11 autonomous territories), as well as the republics of Buryatia and Kalmykia in Russia. The Mongols a…
https://en.wikipedia.org/wiki/Mongols

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wikipedia NEUTRAL — The Donetsk People's Republic (DPR; Russian: Донецкая Народная Республика (ДНР), romanised: Donetskaya Narodnaya Respublika (DNR), IPA: [dɐˈnʲetskəjə nɐˈrodnəjə rʲɪˈspublʲɪkə]) is a disputed republic …
https://en.wikipedia.org/wiki/Donetsk_People's_Republic

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wikipedia NEUTRAL — Jews (Hebrew: יְהוּדִים, ISO 259-2: Yehudim, Israeli pronunciation: [jehuˈdim]), or the Jewish people, are an ethnoreligious group and nation, originating from the Israelites of ancient Israel and Jud…
https://en.wikipedia.org/wiki/Jews

+ 3 more evidence sources

info

Claim 5: “the content creator... appears to rely on a 2020 study published in the US journal JAMA.”

SINGLE SOURCE

The provided evidence for this claim consists of generic Google search results and does not mention Sofiane Bennouby or the 2020 JAMA study.

travel_explore

web search NEUTRAL — Google Libros (antes conocido como Google Book Search y Google Print) es un servicio de Google que busca el texto completo de los libros que Google digitaliza, convierte el texto por medio de reconoci…
https://es.wikipedia.org/wiki/Google

travel_explore

web search NEUTRAL — Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.
https://www.google.com.mx/

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web search NEUTRAL — Publicidad Todo acerca de Google Google.com in English © 2026 - Privacidad - Condiciones
https://www.google.com/?hl=es-mx

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Claim 6: “The researchers demonstrated that specific genetic predispositions – when combined with high exposure to ultraviolet radiation, such as a history of childhood sunburns or sunlamp use – are linked to an elevated risk of skin cancer.”

CORROBORATED

France 24 explicitly states that the researchers demonstrated that specific genetic predispositions combined with high UV exposure (childhood sunburns/sunlamps) are linked to elevated risk.

travel_explore

web search NEUTRAL — The researchers demonstrated that specific genetic predispositions – when combined with high exposure to ultraviolet radiation, such as a history of childhood sunburns or sunlamp use – are linked to a…
https://www.france24.com/en/health/20260730-no-proof-sunscre…

travel_explore

web search NEUTRAL — Despite well-established relationships between sun exposure and skin cancer pathogenesis/progression, specific gene-environment interactions in at-risk individuals remain poorly-understood.
https://pmc.ncbi.nlm.nih.gov/articles/PMC10840669/

travel_explore

web search NEUTRAL — Decreases UV exposure during peak hours and reduces the risk of sunburn and long-term skin damage. Using sunglasses. Protects the eyes from UV radiation, reducing the risk of cataracts and other eye-r…
https://www.acibademhealthpoint.com/childhood-sunburn-risks-…

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Claim 7: “The study did note a statistical association between frequent sunscreen use and an increased risk of specific skin cancers.”

CORROBORATED

Both France 24 and the AAP confirm that the study noted a statistical association/correlation between frequent sunscreen use and increased risk, though they clarify this is not a causal link.

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wikipedia NEUTRAL — AtkinsRéalis Group Inc., formerly known as SNC-Lavalin Group Inc., is a Canadian company based in Montreal that provides engineering, procurement, and construction (EPC) services to various industries…
https://en.wikipedia.org/wiki/AtkinsRéalis

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+ 3 more evidence sources

help

Claim 8: “this 0.5 ng/mL threshold is not a threshold for danger... It says that this is the level at which the FDA calls for further safety testing”

INSUFFICIENT EVIDENCE

No evidence was provided in the search results to verify the nature of the FDA's 0.5 ng/mL threshold.

schedule

Claim 9: “In the European Union, its maximum allowed concentration in cosmetic products has been capped at 2.2% since 2023.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

help

Claim 10: “researchers tracked about 50 participants who used sunscreen regularly for three weeks. They did find traces of UV filters in the participants’ bloodstream. For oxybenzone, maximum concentrations reached approximately 516 times the 0.5 ng/mL threshold established by the US Food and Drug Administration.”

INSUFFICIENT EVIDENCE

No evidence was provided in the search results to verify the specific details of the JAMA study participants or the 516x threshold.

report

Claim 11: “with just a single application, oxybenzone enters your bloodstream at 500 times the safe limit”

MISLEADING

While the claim that oxybenzone enters the bloodstream at 500 times a limit is reported as being claimed by a content creator and mentioned by 'GetCrunchy', it is presented as a dangerous 'safe limit' when it is actually a threshold for further testing (as implied by the context of the other claims).

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wikipedia NEUTRAL — 500 may refer to: 500 (number) 500 BC AD 500
https://en.wikipedia.org/wiki/500

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wikipedia NEUTRAL — The S&P 500 is a stock market index maintained by S&P Dow Jones Indices. It comprises 503 common stocks which are issued by 500 large-cap companies (including two share classes of stock from three of …
https://en.wikipedia.org/wiki/List_of_S&P_500_companies

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wikipedia NEUTRAL — The S&P 500 (Standard and Poor's 500) is a stock market index tracking the stock performance of 500 leading companies listed on stock exchanges in the United States. It is one of the most commonly fol…
https://en.wikipedia.org/wiki/S&P_500

+ 3 more evidence sources

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Claim 12: “Hulscher cited a scientific study from the McGill University Health Centre (MUHC), framing it as the "largest sunscreen-skin cancer study ever done".”

CORROBORATED

Multiple sources confirm that the study being discussed and cited by social media users (including Hulscher) was conducted by the McGill University Health Centre (MUHC).

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wikipedia NEUTRAL — Peter Andrew McCullough () (born December 29, 1962) is an American former cardiologist. He was vice chief of internal medicine at Baylor University Medical Center and a professor at Texas A&M Universi…
https://en.wikipedia.org/wiki/Peter_A._McCullough

travel_explore

web search NEUTRAL — Health. Social media posts are pointing to a study of more than 470,000 people to argue that sunscreen increases the risk of skin cancer.
https://www.france24.com/en/health/20260730-no-proof-sunscre…

travel_explore

web search NEUTRAL — The study cited in rumors about the negative effects of sunscreen did not actually draw the conclusion shared by some people online.In reality, that study said, sunscreen is less effective at preventi…
https://health.yahoo.com/conditions/cancer/skin-cancer/artic…

+ 1 more evidence source

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.