
Nail polish removers contain a variety of chemicals, including isopropyl alcohol, acetone, ethyl acetate, and acetonitrile. While acetone is a naturally occurring solvent found in trees, plants, and the human body, it is highly flammable and can cause allergic reactions and irritation to the skin, eyes, nose, and throat. Prolonged exposure to acetone may also lead to respiratory issues, headaches, nausea, and eye irritation. Additionally, nail polish removers may contain hazardous chemicals like butyl acetate, dibutyl phthalate, ethyl methacrylate, and toluene, which can cause various adverse effects, including irritation to the eyes, skin, nose, mouth, and throat, as well as more severe complications like asthma, difficulty concentrating, liver and kidney damage, and harm to unborn children. The presence of these chemicals in nail polish removers poses potential health risks, particularly for nail salon workers and pregnant women, underscoring the importance of using non-toxic alternatives and implementing safety precautions.
| Characteristics | Values |
|---|---|
| Main Active Ingredient | Acetone |
| Other Ingredients | Ethyl Acetate, Ethyl Lactate, Butyl Acetate, Isopropyl Acetone, Methyl Ethyl Ketone, N-Methyl-Pyrrolidone, Isopropyl Acetate, Methacrylic Acid, Methyl Methacrylate, Quaternary Ammonium Compounds, Toluene, Isopropyl Alcohol, Acetonitrile, Ethyl Methacrylate |
| Risks | Irritation, Poisoning, Allergic Reaction, Headaches, Dizziness, Respiratory Issues, Eye Irritation, Skin Irritation, Nausea, Organ Toxicity, Reproductive Harm, Flammability |
| Safer Alternatives | Acetone-free removers, natural nail polish removers, non-acetone lacquer removers |
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What You'll Learn
- Acetone: flammable, irritant, and can cause allergic reactions
- Methylene chloride: prohibited in cosmetics, linked to cancer in animals
- Ethyl acetate: non-flammable, sweet-smelling, effective solvent, cleaning agent
- Isopropyl acetone: linked to reproductive harm and organ toxicity
- Butyl acetate: low toxicity, causes irritation when inhaled or ingested

Acetone: flammable, irritant, and can cause allergic reactions
Acetone is a colourless, volatile liquid with a strong odour commonly associated with paint thinners and nail polish removers. It is a solvent, meaning it can dissolve other substances. This is why acetone is commonly used in products such as nail polish remover, paint remover, varnish remover, and household cleaning products.
Acetone is highly flammable and has a low flashpoint, meaning it can easily ignite and cause fires. It is also an irritant, which means it can irritate the skin, eyes, nose, throat, or lungs. For this reason, some people cannot use acetone-based nail polish removers. If someone inhales acetone fumes, they should go outside or get fresh air immediately and ventilate the room before returning.
Acetone can also cause an allergic reaction in some people. Over-exposure or sensitivity to acetone can lead to symptoms such as headaches, dizziness, irritated eyes, skin, and throat, and in more severe cases, an allergic reaction. However, when used in moderation and in well-ventilated areas, these side effects can typically be avoided.
While acetone is generally recognized as safe by the FDA, it is important to be aware of its potential risks and take the necessary precautions when using acetone-based products.
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Methylene chloride: prohibited in cosmetics, linked to cancer in animals
Methylene chloride is a dangerous chemical that has been found in some gel nail polish removers. It is a colourless liquid with a sweet odour that is used in paint stripping, paint remover manufacturing, and metal cleaning and degreasing. The U.S. Food and Drug Administration (FDA) prohibits its use in cosmetics because it has been linked to cancer in animals and is likely harmful to human health. Methylene chloride is not allowed in cosmetics at any level, yet it may be present in gel nail polish removers without being listed as an ingredient or hidden under other names such as dichloromethane or methyl bichloride.
Methylene chloride is not the only hazardous chemical found in nail polish removers. Acetone, a clear, colourless, and highly flammable solvent, is the main active ingredient in many conventional nail polish removers. While it naturally occurs in trees, plants, volcanic gases, and even the human body, overexposure or sensitivity to acetone can cause allergic reactions and irritation to the skin, eyes, nose, and throat. Prolonged or excessive exposure to acetone can lead to more severe symptoms, including headaches, dizziness, nausea, and respiratory and eye irritation.
To avoid the potential health risks associated with acetone, consumers can opt for non-acetone or acetone-free nail polish removers, which are typically more gentle on the skin and nails. These alternatives may utilise solvents such as propylene carbonate, which has lower vapour pressure and reduced odour intensity, or natural ingredients like eucalyptus and spearmint oils. However, it is important to note that even acetone-free products can contain other chemicals that may not be suitable for sensitive skin.
While the FDA classifies acetone as Generally Recognised as Safe, it is important to use nail polish removers with caution. Users should always follow safety precautions, such as using the product in a well-ventilated area and avoiding open flames or smoking during application. Additionally, individuals with sensitive skin or allergies may want to opt for natural alternatives or acetone-free products to minimise the risk of irritation or allergic reactions.
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Ethyl acetate: non-flammable, sweet-smelling, effective solvent, cleaning agent
Ethyl acetate, also known as EtOAc, ETAC or EA, is a colourless liquid with a characteristic sweet smell, often likened to pear drops. It is used in glues, nail polish removers, and the decaffeination process of tea and coffee. It is also used in perfumes, where it quickly evaporates, leaving the scent of the perfume on the skin.
Ethyl acetate is primarily used as a solvent and diluent, favoured for its low cost, low toxicity, and pleasant odour. It is commonly used to clean circuit boards and in some nail varnish removers. It is also used in paints as an activator or hardener.
Ethyl acetate is a simple carboxylate ester, first synthesized from ethanol and acetic acid by the Count de Lauraguais in 1759. It is produced on a large scale, with an estimated 1.3 million tonnes produced worldwide in 2004.
As a non-flammable substance, ethyl acetate is a safer alternative to other nail polish removers that contain flammable acetone. While it is considered low toxicity, overexposure to ethyl acetate may cause irritation to the eyes, nose, and throat. Severe overexposure may lead to weakness, drowsiness, and unconsciousness.
Ethyl acetate is also available as a bio-based solvent, which is biodegradable, safe, and environmentally friendly. These bio-based solvents are formulated from renewable resources and do not contain any environmentally hazardous ingredients or hazardous air pollutants.
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Isopropyl acetone: linked to reproductive harm and organ toxicity
Isopropyl acetone is a chemical commonly used as a solvent in nail polish removers. It is also a ketone used in lacquers. While isopropyl acetone is not the only chemical used in nail polish removers, it is one of the most common.
Evidence suggests that isopropyl acetone may cause reproductive harm and organ toxicity, particularly in the kidneys. Brief exposure to isopropyl acetone has been linked to respiratory issues, eye irritation, headaches, and nausea. Due to these potential health risks, isopropyl acetone is restricted to low doses in workplace environments in the European Union. Similarly, the US Occupational Safety and Health Administration limits the amount of methyl ethyl ketone, another chemical found in nail polish removers, that workers can be exposed to in a workday.
The potential health risks associated with isopropyl acetone are a serious concern, especially for nail salon workers and pregnant women. To protect against these risks, nail salon workers and owners should adopt safer nail products, wear nitrile gloves, install proper ventilation, and ensure staff are trained on safety procedures.
It is worth noting that the FDA does not classify acetone as a toxic ingredient. However, prolonged or excessive exposure to acetone can cause symptoms such as dizziness, drowsiness, irritated eyes, skin, nose, and throat, and headaches. Acetone is also highly flammable, which contributes to its hazardous nature.
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Butyl acetate: low toxicity, causes irritation when inhaled or ingested
While nail polish remover is not considered toxic, it is classified as hazardous waste due to its flammability. The main active ingredient, acetone, is a clear, colorless, and highly flammable liquid solvent that can dissolve other substances. Although acetone is generally safe and even occurs naturally in trees, plants, and the human body, overexposure or sensitivity can cause adverse reactions, including allergic reactions, irritation of the eyes, nose, throat, or lungs, and in extreme cases, acetone poisoning.
Butyl acetate is another chemical commonly found in nail polish removers. It is a colorless, flammable liquid with a fruity odor, derived from wood, petroleum, and even animal sources. Butyl acetate has low toxicity but can cause irritation when inhaled or ingested. This chemical is not only found in nail polish removers but also in other cosmetic products such as perfumes and hairsprays. Additionally, it is used as an industrial solvent for nitrocellulose lacquers, oils, waxes, and plastics.
To minimize the risks associated with these chemicals, it is important to use nail polish remover in a well-ventilated area. For those with sensitive skin or allergies, acetone-free alternatives are available, which can be gentler on the skin and nails.
It is worth noting that other chemicals in nail polish removers, such as ethyl acetate, propylene carbonate, dimethylformamide (DMF), and ethylene glycol monomethyl ether (EGME), may also pose potential health risks, especially for individuals with sensitive skin.
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Frequently asked questions
Nail polish removers contain chemicals such as acetone, ethyl acetate, isopropyl alcohol, and acetonitrile. While acetone is generally recognised as safe by the FDA, it is highly flammable and can irritate the skin, eyes, nose, throat, or lungs. Ethyl acetate is non-flammable but can irritate the eyes, skin, nose, mouth, and throat, and cause fainting at high concentrations. Isopropyl alcohol can cause sleepiness and irritate the eyes, nose, and throat. Acetonitrile can irritate the nose and throat, cause breathing problems, nausea, vomiting, weakness, and exhaustion.
Some alternatives to acetone-based nail polish removers include ethyl lactate, propylene carbonate, dimethylformamide (DMF), and ethylene glycol monomethyl ether (EGME). These alternatives may be more suitable for people with sensitive skin.
Nail polish remover is considered household hazardous waste due to its flammability. If it ends up in a landfill, it can leach toxic components such as dibutyl phthalate and formaldehyde, negatively impacting the environment.











































