Doctor explains why TPO nail polish poses a health risk
Gel polish, popular in salons for its durability and shine, has recently entered the health radar. According to dermatologist Cristina Salaro , not all gel polishes are created equal, and some can pose significant health risks.
The warning focuses on a substance called TPO (Trimethylbenzoyl Diphenylphosphine Oxide) , used as a photoinitiator, the component that allows nail polish to cure under UV light. Cristina explains that studies have classified TPO as potentially carcinogenic and toxic to reproduction in experiments with surrounding areas. This evidence led to its complete ban in the European Union, not only in manufacturing but also in marketing and professional use.
"In Brazil, there are still no restrictions on the presence of TPO in nail polish," says the doctor. "Therefore, it is essential that both professionals and consumers pay attention to the composition of the products."
But the benefits don't stop there. The doctor emphasizes that other substances present in these polishes also deserve attention, such as 2-hydroxyethyl methacrylate, a widely used type of methacrylate. "It can cause contact dermatitis in some people, and this usually manifests as irritation on the upper eyelids," she warns.
In addition to exposure to potentially allergenic ingredients, the physical process of gel polish itself contributes to damage. "There's mechanical wear, frequent exposure to UV/LED radiation, and repeated use of harsh chemicals. All of this weakens the nails and sensitizes the surrounding skin."
Those who prefer the square shape can also embrace the trend, as long as they keep the corners slightly rounded to soften the look.
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Shades like light pink dominate the "princess nails" style.
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French tips, a classic from the 90s, also dominate the look
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The dark red nail polish also stands out among the favorites
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Moisturizing your hands before the procedure can improve the skin barrier and reduce dryness, but it doesn't replace sunscreen. Use light, fast-absorbing moisturizers to avoid interfering with the nail polish application process.
Getty ImagesAs a preventive measure, the dermatologist recommends asking professionals about the formulation of the products used, especially if they contain TPO or methacrylates. "There are already alternatives on the market that are free of these substances and deliver similar results or with fewer risks," she says.
Finally, Cristina reinforces: "If you like gel polish, always try to use safer products and give yourself time between treatments. This way, you can maintain the beauty of your nails without compromising your health."
Remember the ban: gel nail polish products are banned due to health risksA common ingredient found in many gel polishes has been banned in most of Europe. Trimethylbenzoyldiphenylphosphine oxide (TPO) has been officially banned from all cosmetic products after European Union regulators flagged it as potentially toxic to humans.
TPO acts as a photoinitiator, meaning it responds to light. In gel polishes, it helps the polish set under ultraviolet or UV light. Despite this, it's unclear whether gel polish poses a threat to human health, given current levels of exposure.
The main problem with gel polish involves both the ingredients and the physical process.
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It is important to remember that gel polish leaves nails exposed to intense chemical processes, removals due to mechanical wear and UV/LED radiation
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Nail biting is often linked to emotional issues, such as stress, anger, upset, or worry about something specific.
LWA-Dann Tardif/GettyImagesEuropean regulators have classified it as "carcinogenic, mutagenic, or toxic to reproduction." This sounds scary, but research is still in its early stages. Most of the concern stems from animal studies linking TPO to fertility problems and potential damage to reproductive organs.
From September 1st, distributors across the European Union will no longer be able to supply products containing TPO, and salon owners must take action.
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