Gel Nail Polish Color Change: Why Does It Happen?

why does gel nail polish change color

There are several reasons why gel nail polish may change colour. One reason could be that certain gel nail polishes are designed to change colour under certain conditions, such as temperature changes or UV light exposure. Additionally, it could be due to a chemical reaction with cosmetics, cleaning agents, or self-tanners. Overexposure to UV light, for example, through spending a lot of time in the sun, can also cause discolouration. Other factors that can contribute to colour change include smoking, using products from different brands that are not designed to work together, and improper application of the gel polish, such as applying it too thinly or using an insufficient top coat.

Why does gel nail polish change color?

Characteristics Values
Exposure to sunlight Spending a lot of time in the sun can cause discoloration
Use of self-tanners Self-tanners can cause discoloration
Smoking Smoking can cause the gel to turn yellow
Chemical exposure Exposure to chemicals in cleaning supplies, makeup, hair coloring, suntan products, etc. can cause discoloration
Incompatible products Using products from different brands with formulas that aren't designed to work together
Overexposure to UV light UV light is used to cure the gel polish, but overexposure can cause discoloration
Thermal gels Certain gel nail polishes change color with shifts in temperature
Glow-in-the-dark gels Some gel nail polishes glow in the dark
Quality of gel polish Low-quality gel nail polishes are more prone to discoloration
Application technique Applying the gel polish too thinly or thickly can affect the color and longevity
Top coat Using an inadequate top coat or not applying enough top coat can lead to discoloration

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Using products from different brands

Gel nail polish can change colour due to a variety of reasons, and using products from different brands is one of them. Incompatible brands of gel polish and clear gel topcoats may sometimes not work well together. For instance, using a gel colour from one brand and a top coat from another brand can cause the colour to come off when you try to swipe off the tacky layer.

Additionally, the quality of the gel polish also matters. Lower-quality gels are more prone to discoloration and brittleness. The price of a gel nail polish service at a salon often reflects the quality of the products used. Therefore, cheaper gel polishes are more likely to be of inferior quality and prone to discolouration.

However, it is important to note that gel nail polish discolouration is not always due to the use of different brands. Other factors include exposure to sunlight, UV light, and certain chemicals. For example, overexposure to UV light can cause discolouration, and certain chemicals in cleaning supplies, makeup, skincare products, and even food can stain and change the colour of your gel nails.

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Exposure to sunlight

The impact of sunlight on gel nail polish can result in undesirable changes, such as fading, discolouration, and yellowing. The pigments in the nail polish can fade over time due to prolonged exposure to sunlight, causing the colour to become dull and less vibrant. Lower-quality gels are more prone to these issues, as they are more likely to be brittle and susceptible to damage from UV radiation.

To prevent these unwanted changes, it is recommended to store nail polish in a cool, dry place and minimise direct sun exposure. Some products, such as UV-blocking top coats, gloves, and sunscreen, can also help shield the nails from the sun's rays. Additionally, choosing higher-quality gels and reputable salons can reduce the likelihood of discolouration due to sunlight exposure.

While sunlight can cause unwanted colour changes in some gel nail polishes, there are also nail polishes specifically designed to change colour when exposed to sunlight or UV light. These colour-changing polishes offer a unique and fashionable way to enhance your manicure, with the colour-changing effect adding a touch of magic to your nails.

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Smoking

To prevent staining, it is recommended that smokers use a top coat and avoid direct smoke exposure to the nails. Darker or more vibrant shades, such as deep reds, purples, or blues, are less likely to show stains. Glitter polishes or gradient techniques can also be used to distract from any yellowing or stains.

To remove minor stains, you can lightly dab the affected area with isopropyl alcohol, being cautious not to overdo it to avoid drying out the nails. Nails can also be soaked in a mixture of lemon juice, baking soda, and water to naturally bleach out yellow stains.

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Using cleaning products

Gel nail polish can react to the chemicals in cleaning products, causing discolouration. This is due to the special pigments in the polish, which are sensitive to temperature variations and changes in UV light exposure.

The pigments undergo structural changes when exposed to different temperatures, causing the nail polish to change colour. This is a reversible reaction, meaning the colour will revert to its original shade when the temperature decreases. However, overexposure to UV light can also cause discolouration, which can occur if you spend a lot of time in the sun or use self-tanners.

Some skincare products, cleaning agents, and sanitisers contain harsh chemicals that can react with the gel and cause it to yellow more quickly. This can also lead to chipping. Additionally, certain food ingredients can alter the colour of your nail polish when they come into contact. Highly pigmented ingredients like turmeric, berries, or dark sauces can transfer their colours onto your nails, leading to staining.

To prevent discolouration caused by cleaning products, it is recommended to wear gloves when cleaning and cooking. This will create a barrier between the gel nail polish and any chemicals that could cause discolouration.

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Inadequate application

Firstly, the quality of the gel polish itself plays a significant role in its colour retention. Lower-quality gels tend to be more brittle and prone to discolouration. Thicker nail polishes can also affect the outcome, as they may not dry properly, leading to smudging or uneven coverage. Additionally, some pigments used in cosmetics are more likely to fade than others due to their chemical structure, with pink pigments being particularly susceptible to fading.

The curing process is another critical factor. "Curing" refers to the process of setting the nail polish using UV light, either from a UV lamp or natural sunlight. Inadequate curing, whether under-curing or over-curing, can result in discolouration. This can occur if the nails are not exposed to enough UV light during the curing process or if they are subsequently exposed to excess UV light from sunbeds, natural sunlight, or even computer screens.

Furthermore, the use of additional products can impact the colour of gel nail polish. Solvents such as insect repellent and suntan lotions contain DEET, which can dissolve and affect nail products. Similarly, chemicals and solvents from cleaning supplies, makeup, hair colouring, and skincare products can cause discolouration or staining. To prevent this, it is recommended to apply a clear nail polish over the gel polish or to use gloves when coming into contact with these substances.

To summarise, inadequate application of gel nail polish can lead to discolouration due to factors such as the quality of the gel polish, improper curing, and exposure to various chemicals and solvents. Proper application techniques, including using high-quality products, ensuring adequate curing, and taking precautions when using additional substances, can help prevent these issues.

Frequently asked questions

Some gel nail polishes are designed to change color under certain conditions. Overexposure to the sun can cause discoloration, especially in pink shades.

There is no guaranteed way to prevent gel polish discoloration. However, you can reduce the risk by using quality gel nail polish, regularly reapplying a gel top coat, and hydrating your hands with cuticle oil and/or hand cream.

It could be due to a chemical reaction from cosmetics or cleaning agents on your dominant hand. Smoking can also cause discoloration, especially on the hand you hold your cigarette in.

Yes, using products from different brands, such as a gel color from one brand and a top coat from another, can cause color changes because their formulas are not designed to work together.

If the discoloration is severe, you may need to get your nails redone. Soak your nails for about 10 minutes, pat them dry, and moisturize. You can repeat this process once a day until the original gel polish color returns.

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