Isla Bennett
Gel nail polishes are popular for their quick-drying time and long-lasting wear. While there are non-UV gel polishes available, UV or LED light is required to cure regular gel nail polishes. Although the sun emits UV light, it does so at various wavelengths and intensities, and therefore cannot cure gel nail polish. Black lights can emit UV light, but it is unclear whether they emit the specific wavelengths and intensities required to cure gel nails. Some sources suggest that black lights may not be powerful enough to cure gel nails, while others claim that certain black lights can be used for curing gel nails.
Characteristics and Values of Black Light Cured Gel Nails
| Characteristics | Values |
|---|---|
| Quick-drying time | Dries in 30 seconds to 2 minutes |
| Long-lasting wear | Manicure can last up to three weeks without chipping |
| Curing method | Uses UV light or LED lamp |
| Safety concerns | Potential risk of skin cancer and UV overexposure |
| Alternative curing methods | Non-UV gel polishes, air-drying, and ice water |
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What You'll Learn
Black light vs. UV light
Gel nail polishes have become increasingly popular for their quick-drying and long-lasting qualities. The two types of nail lamps used to cure gel nail polish are LED and UV lamps. The difference between the two is based on the type of radiation emitted by the bulb.
Gel nail polish contains photoinitiators, a chemical that requires direct UV wavelengths to harden or 'cure'. The sun emits UV light at various wavelengths and intensities, while UV or LED lights emit specific UV wavelengths and intensities. These machines are calibrated to cure gel polish.
LED lamps typically cost more than UV lamps, but they tend to last longer, whereas UV lamps often need bulb replacements. LED lamps can cure gel polish faster than UV light. Typically, an LED lamp will cure a layer of gel polish in 30 seconds, while it takes a 36W UV lamp about 2 minutes to do the same. However, not all gel polishes can be cured by an LED lamp, and some polishes are designed specifically for UV nail lamps only.
A black light fixture that emits UV light may not be powerful enough to cure gel nails.
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LED lamps
LED nail lamps are a popular tool for curing gel nails. They are designed to quickly dry gel nail polish, providing a fast and efficient way to achieve long-lasting, salon-quality manicures. LED lamps are safe and effective, eliminating the need for potentially harmful UV exposure.
When using an LED lamp for gel nails, it is important to follow the specific instructions provided with your lamp, as the curing process may vary slightly depending on the model. However, the general process involves applying a thin coat of gel polish to each nail and then placing your hand under the lamp, ensuring that all nails, including the thumb, are properly positioned.
The LED lamp is then turned on, and the hand is left under the light for the specified amount of time, typically around 45 seconds. The high-intensity light emitted by the LED lamp accelerates the drying and curing process of the gel polish, resulting in a hard and durable finish.
LED nail lamps are widely available and can be purchased online or from beauty supply stores. They vary in design, with some featuring intuitive controls, timers, and stylish appearances. The power of LED lamps is also an important consideration, with higher-powered lamps, typically measured in watts, offering faster curing times.
Overall, LED nail lamps offer a convenient and safe solution for curing gel nails, providing users with the ability to achieve professional-looking manicures in the comfort of their own homes.
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Non-UV gel polish
To use a non-UV gel polish, start by prepping your nails by cleaning them with a non-acetone polish remover to ensure that the surface is free from dirt or oils. Gently shake the bottle of non-UV gel nail polish to mix the ingredients, then carefully paint two coats of polish onto your dry nails, allowing a few minutes for the gel to set between each coat. After applying the final coat, let the manicure dry for about five minutes before using a non-UV gel top coat. Although the nails may feel dry to the touch after this time, it is important to allow them to air dry for at least an hour to ensure they are completely hardened.
To speed up the drying process, you can use an ice bath. After allowing your nails to air-dry for 5 to 10 minutes, fill a shallow bowl with cold water and ice cubes. Submerge your nails in the water, ensuring they are completely covered, and hold them there for about 3 to 4 minutes. Remove your hand from the water and let your nails air-dry for at least 30 minutes to an hour, or until they feel entirely hardened.
There are several nail polish brands that offer non-UV gel polishes, including Sally Hansen's Miracle Gel line and Essie's Gel Couture line. These polishes provide a durable, long-lasting manicure without the need for UV light exposure. Additionally, brands like Mooncat, Holo Taco, ILNP, and Cirque Colors offer non-toxic options that can last several days before chipping.
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UV overexposure
Gel nail polishes are cured under UV or LED lamps. While the sun also emits UV light, it does so at various wavelengths and intensities, and is therefore unable to cure gel nail polish. UV and LED lamps, on the other hand, emit specific UV wavelengths and intensities that are calibrated to cure gel polish.
However, overexposure to UV light from these lamps can have harmful effects. A study published in Nature Communications in January 2023 found that the radiation emitted by UV nail polish dryers can damage DNA and cause mutations in human cells, which could increase the risk of skin cancer. This confirms concerns that dermatologists have had for several years. As a result, many dermatologists advise gel manicure regulars to protect their skin with sunscreen and fingerless gloves.
In addition, there are many medications that can increase your sensitivity to UV light, such as doxycycline, an oral antibiotic. People taking these drugs must take extra care to protect their skin during a gel manicure to avoid blistering or burns on their hands.
If you are concerned about UV exposure, there are several alternatives to gel manicures. You can use non-UV gel polishes, which are applied in the same way as regular, non-gel polish and dry on their own without light. You can also try dip powders, which do not require UV light.
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Curing gel nail polish
To cure gel nail polish, start by applying a thin, even coat of gel base polish to each nail. Make sure there are no drips or clumps, as these will increase the drying time. Then, place your hand under the lamp and set the timer as per the manufacturer's instructions. Once the light turns off, remove your hand and apply additional coats of gel nail polish, including the base and top coats, curing each coat under the lamp. It is recommended to paint and cure one hand at a time, starting with the index finger, to avoid smudging and to ensure optimal light exposure for faster drying. Finally, use a cotton pad soaked in alcohol or a specialised gel cleanser to remove any sticky residue.
It is important to note that gel nail polish cannot be cured using sunlight or a phone's flashlight, as these light sources do not emit the specific UV wavelengths and intensities required.
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Frequently asked questions
Yes, you can use a black light to cure gel nails. However, it is important to note that the black light must emit UV light. The sun, for example, emits UV light at various wavelengths and intensities, but it cannot cure gel nails. Therefore, a black light must emit specific UV wavelengths and intensities to cure gel nails effectively.
You can cure non-UV gel nails by dipping your nails in ice-cold water. First, let your nails air-dry for 5 to 10 minutes, then fill a shallow bowl with ice-cold water and submerge your nails for about 3 minutes. After removing them from the water, let your nails air-dry for at least an hour.
UV lights emit UV radiation, which can be harmful if you are exposed to it for too long. If you experience a dull ache in the back of your eyes after using a UV lamp, it is a sign that your eyes were exposed to UV light for too long. Therefore, it is important to follow the safety instructions provided with your lamp and avoid looking directly at the lamp.
The U4GLORY UV Light Gooseneck Curing Lamp is a 5W USB ultraviolet lamp with a flexible gooseneck clip that can be used for gel nails. It has a wavelength of 395nm and can be conveniently plugged into a laptop, power bank, or USB socket for power supply.
