
Thickened nail varnish can be frustrating, but there are several methods to thin it out. One of the most popular ways is to use a nail polish thinner, which can be purchased for a low price. A few drops of this product are added to the nail varnish bottle, and then the bottle is rolled between the palms to mix the two. However, some people may not want to buy a separate product to thin their nail varnish. In this case, a drop of pure acetone can be used instead. This method should be used with caution, as acetone can break down the nail polish formula and ruin the finish.
| Characteristics | Values |
|---|---|
| Can you thin nail varnish with remover? | Yes, but it is not recommended. |
| Best thinning methods | Nail polish thinner, pure acetone (sparingly), hot water |
| Nail polish thickens due to | Exposure to air, sunlight, or heat |
| Preventative measures | Store in a cool, dry place, seal the bottle tightly |
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What You'll Learn

Using nail polish thinner
Using a nail polish thinner is a great way to restore old, thickened, or clumpy nail polish. It is a lacquering agent that acts as a solvent and replaces the ingredients that have evaporated over time.
To use a nail polish thinner, start by adding a few drops of the thinner directly into your nail polish bottle. The number of drops required can vary depending on the consistency of your nail polish. While some sources suggest starting with just a couple of drops, others recommend adding 5-10 drops or even more, especially if the polish is very thick or dried out. You can always add more thinner if needed, so it's best to start with a smaller amount to avoid adding too much.
After adding the thinner, tightly screw the cap back on the nail polish bottle. Then, gently roll the bottle between your palms to mix the thinner and polish together. Avoid shaking the bottle, as this can cause air bubbles to form and worsen clumping. If the bottle is difficult to roll in your hands, you can try using a mini vortexer or an iMix.
Once the thinner and polish are mixed, test the consistency by applying a small amount to your nail. If the mixture is still too thick, add a few more drops of thinner and repeat the rolling process. Continue doing this until you achieve your desired consistency.
It's important to note that nail polish thinner should be used sparingly and only when necessary. Adding too much thinner can break down the nail polish and reduce its lifespan. Additionally, make sure to store your nail polish in a cool, dark place with the cap tightly sealed to prevent evaporation and sunlight exposure, which can also affect the formula.
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Adding pure acetone
Pure acetone can be used to thin nail varnish, but it should be used sparingly and cautiously. It is recommended to use only a single drop of pure acetone per bottle of nail polish. After adding the acetone, the bottle should be tightly capped before being gently rolled between the palms to mix the solution. If the nail polish is still too thick, another drop of acetone can be added, but the 'less is more' approach is critical to remember. Using too much acetone will break down the nail polish, lessening its lifespan and causing discolouration.
Pure acetone is not the only substance that can be used to thin nail varnish. An alternative is to use a professional nail lacquer thinner, which is considered the best way to restore old nail polish. Nail polish thinner can be purchased for less than $10, and a few drops are added directly to the nail polish. The bottle is then rolled between the palms to mix the solution, avoiding shaking, which can cause air bubbles to form.
Another method to thin nail varnish is to warm the bottle in hot water. This involves filling a bowl with water that is hot to the touch but not boiling, and then dipping the bottle into the water for several minutes. The hot water should not enter the bottle or mix with the nail polish. The bottle is then removed and gently rolled between the hands to loosen the thicker consistency.
Nail varnish should always be sealed tightly when not in use, as this will help prevent air bubbles and preserve the formula. It should also be stored correctly to prevent it from becoming thick and clumpy. Sunlight can break down the formula, so nail polishes should be stored in a cool, dark place that maintains a consistent temperature.
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Storing nail varnish correctly
Firstly, avoid storing nail varnish in places with high humidity, such as bathrooms. The moisture from these environments can negatively affect the quality of the polish, causing it to harden and clump. Instead, opt for a cool, dry place, such as a drawer, cabinet, or organiser designed for nail polishes. Keeping your nail varnish away from direct sunlight is also crucial, as sunlight can break down the formula, causing it to become clumpy and discoloured.
Secondly, keep your nail varnish away from heat sources such as radiators or ovens. High temperatures activate the solvents within the nail polish, resulting in that thick and melted consistency. Storing it in a cool place will help prolong its shelf life and maintain a smooth, easy-to-apply formula. Additionally, ensure that the caps of your nail varnish bottles are tightly sealed. This prevents air from getting into the formula, which can cause it to dry out and become clumpy.
Thirdly, it is recommended to store your nail varnish upright. This prevents the formula from settling and spilling when you open the bottle. It also helps to maintain the consistency and quality of the polish by avoiding leakage or air exposure.
Lastly, remember that nail varnish has a limited shelf life, and it may need to be replaced if it becomes thick, changes colour, or develops an unpleasant odour, even if it has been stored correctly.
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Using hot water
Although nail polish is made with specific solvents that aren't water-soluble, hot water can be used to thin out nail varnish. It's important to note that water can cause separation, streaking, or ruin the bottle altogether. Therefore, it is not recommended to add water to nail polish.
However, if you are in a pinch and don't have any nail polish thinner on hand, you can use hot water to help loosen the thick consistency of the nail polish. Here's how to do it:
- Fill a bowl with hot water that is hot to the touch but not boiling. Be careful, as the glass bottle can get very hot, and if the water is too hot, the nail polish bottle could crack.
- Dip the nail polish bottle into the water and let it sit for several minutes (around 2-3 minutes).
- Remove the bottle from the hot water and gently roll it between your hands to mix the polish. Be sure to roll the bottle instead of shaking it, as shaking can cause the product to stick to the top of the bottle and harden, making it difficult to open.
- Check the consistency of the nail polish. If it's still not thin enough, repeat the process for a few more minutes.
It is important to note that this method is not foolproof, and the heat from your hands may be enough to thin the polish if it's only slightly thickened. Additionally, be sure to handle the bottle with care as it will be hot, and always ensure the bottle is tightly closed to prevent water from getting into the polish.
While hot water can be used as a temporary solution, it is recommended to use a proper nail polish thinner to achieve the best results and maintain the longevity of your nail polish.
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Using nail polish remover
Firstly, it is important to only use a few drops of acetone. Using too much will break down the nail polish, compromising the colour and texture. It can also ruin the finish, leading to streaks or uneven coverage. Therefore, it is recommended to add one drop at a time, shaking or rolling the bottle gently between your palms after each addition, until the desired consistency is reached.
If you do not have pure acetone, you can use a nail polish remover that contains acetone. However, the same rule applies: less is more.
An alternative to acetone is to use hot water. Run the bottle under hot water or submerge it for at least two minutes. Then, roll the bottle to mix the nail varnish.
Although using nail polish remover can be effective, it is recommended to use a professional nail lacquer thinner to restore your nail varnish.
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Frequently asked questions
Yes, but only if your nail varnish remover contains acetone. However, it is not recommended as acetone can break down the formula of the nail varnish, ruining the finish and lessening its lifespan.
The best way to thin nail varnish is to use a professional nail lacquer thinner. Add a few drops of thinner to the bottle, then roll or shake the bottle to mix.
To prevent your nail varnish from thickening, always seal the bottle tightly between coats and store it in a cool, dry, dark place away from direct sunlight or heat.











































