The main danger occurs when a filler accidentally blocks a blood vessel in the face.
If blood flow is interrupted, the surrounding tissue does not receive enough oxygen. This can cause skin damage and, in some cases, vision problems.
Although such complications are uncommon, experts stress that the effects can be severe and permanent.
Because of these risks, many medical professionals believe that facial fillers should be treated with the same level of care as other medical procedures.
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Lack of clear rules raises concern
At present, there are major differences in who is allowed to perform filler treatments and how they are carried out.
Training requirements and safety standards vary widely between clinics and countries.
Experts warn that this lack of consistency may increase risks for patients and make it harder to prevent avoidable mistakes.
New research highlights hidden risks
New research will be presented at Radiological Society of North America annual meeting supports these concerns.
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A research team from the University of São Paulo studied 100 patients who experienced complications after receiving facial fillers.
Using ultrasound scans, the researchers examined blood flow in the face. In many cases, they found that both small and large blood vessels were blocked.
Areas around the nose were identified as particularly sensitive because blood vessels there are closely connected to vital parts of the head.
The researchers recommend using ultrasound before injections to reduce the risk of complications.
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Overall, the study shows that facial fillers are not just cosmetic treatments but medical procedures that require strict standards and proper training.
Sources: BBC News, and Radiological Society of North America annual meeting.
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This article is made and published by Ida-Marie Palm Varbæk, who may have used AI in the preparation.