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Pale or grayish skin, dark circles under the eyes, dry and chapped lips, dull and brittle hair. This is the identikit of what has been dubbed the "ferritin face." And social media is full of posts featuring "before and after" photos: selfies of women with very low ferritin levels, and a truly unhealthy-looking face, juxtaposed with subsequent images of their faces restored to their former glory when their levels return to the normal range.
The visual differences are obvious, in some cases even too striking. But can iron deficiency really be seen on the face? Scrolling through Instagram and TikTok, one detail catches the eye: these thematic videos and posts are racking up tens of thousands to millions of views, a sign that—in an era dominated by aesthetics—the topic is piquing interest.
Wellness influencers and content creators have unleashed their creativity—from symptom summary charts to humorous images of dolls with dark circles under their eyes and personal testimonials—and are pouring in explanations, advice, and even recipes to boost your ferritin. The starting point is almost always the assumption that low levels of this protein, which stores iron in the body, can leave visible signs on the face.
But what do the experts say? A focus on the BBC online offers a sort of fact-checking of social trends.
Doctors, as the article begins, warn that appearance alone isn't enough to diagnose iron deficiency. "The ferritin face" "is not a medical diagnosis," says Aziza Sesay, a GP working in the West Midlands of England. "However, it can be a clue that something is wrong." Indeed, experts point out, pale skin, hair loss, or brittle nails can be symptoms of iron deficiency, but the point is that they can also be signs of other conditions, the doctor told BBC News.
Ferritin levels provide an indication of the body's iron stores (whether they're low, high, or within the normal range), while hemoglobin is the protein in red blood cells that carries oxygen. When hemoglobin levels are low, the blood can't carry enough oxygen, resulting in a condition known as anemia. But iron stores can be depleted before this happens, meaning a person can have iron deficiency and exhibit symptoms without being anemic. "You don't have iron stores, but your hemoglobin levels remain stable. That's where the big discrepancy lies," hematologist Drew Provan points out. Iron deficiency is common, another hematologist, Sue Pavord, agrees, but it's often misdiagnosed in women.
The focus also includes the testimony of 32-year-old Lucy M. A few years ago, in 2021, she was experiencing palpitations, fatigue, and hair loss. According to her account, after blood tests were reported as normal and she was diagnosed with generalized anxiety disorder, a subsequent test showed a ferritin level of 12 micrograms per liter (British Society of Gastroenterology guidelines indicate a ferritin level below 15 micrograms per liter as a sign of low iron stores, and a level below 30 as low iron stores). Lucy also shared photographs with the BBC showing the period when her ferritin levels were low, compared with subsequent images when the values returned to normal. Here too, the difference was clear.
Hematologist Provan, however, points out that it's "impossible" to determine a person's ferritin levels from their facial appearance. Severely anemic people may appear pale, he explained, while fatigue can contribute to dark circles under the eyes, but these visual signs are "subjective and unreliable." In people with darker skin, skin color changes may be less obvious, Sesay added, meaning that those who specifically search for the signs described online may miss iron deficiency. For doctors, a patient's symptoms and sensations are more helpful than physical appearance. And, according to Provan and Sesay, blood tests are important not only to confirm iron deficiency, but also to identify its cause (heavy menstruation, low dietary iron intake, gastrointestinal bleeding, problems absorbing iron through the intestines) and guide treatment. Deficiency is commonly treated with oral iron supplements, and iron can also be obtained naturally through foods such as meat, beans, lentils, green leafy vegetables, and fortified cereals. However, taking supplements without a diagnosis can be harmful, while self-medication could delay the investigation of an underlying problem.
So, what effect can the social media trend around "ferritin face" have on the public? Does it increase awareness or misinformation? Sesay believes it can be a double-edged sword: social media can encourage people to seek help, but it can also lead to self-diagnosis based on short videos. Lucy, on the other hand, believes these posts can ultimately help women take certain symptoms more seriously and give some the confidence to investigate further. The useful aspect, she concludes, isn't self-diagnosis based on one's appearance, but understanding when something isn't right and when it's time to ask questions.
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