
Primer is a product used to improve the adhesion of gel manicures. It is applied at the very start of the manicure to remove any remaining oils and grease on the nail plate, which can otherwise cause the base coat not to adhere properly. There are two types of primer: acid and acid-free. Acid primer is best for those with oily nails, while acid-free primer is better for those with dry, weak, or sensitive nails. When applying acid primer, it is important to use a small amount and let it evaporate before continuing with the manicure. Acid-free primer, on the other hand, does not need to be fully dry before proceeding.
| Characteristics | Values |
|---|---|
| When to apply primer | At the start of a gel nail manicure |
| Why use primer | To remove excess oils and grease on the nail plate, which can cause the base coat not to adhere to the nail |
| Type of primer | Acid primer or acid-free primer |
| Acid primer | Best for people with problematic nail plates or those with hormone problems or on specific medication |
| Acid-free primer | Most commonly used primer, with a gentle formula that helps with adhesion |
| How to apply acid primer | Apply 1-2 small dots to the nail and let it spread and evaporate |
| How to apply acid-free primer | Use an almost dry brush to spread a thin layer and wait about a minute before working on the nail |
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What You'll Learn

Primer application for gel nails with extensions
Primer is an essential product for anyone who struggles with gel manicures that chip, lift, or peel. It is typically applied at the very start of a gel nail manicure to prime the nail and ensure the base coat adheres properly. There are two types of primer: acid-free and acid primer.
Acid-free primer is the most commonly used type of primer. Its gentle formula helps with adhesion and is safe and reliable, effectively preparing natural nails for the application of nail enhancements. It removes any remaining oils and grease on the nail plate, preventing extensions from lifting. It also prevents the creation of any air bubbles for better adherence. When applying acid-free primer, use an almost dry brush to apply a thin coat to each nail and let it dry for around 40-60 seconds. It won't fully evaporate, and it's okay to work on it if it's still slightly wet.
Acid primer is best used for anyone with very problematic nail plates or anyone who may be on specific medication that affects their nails. It is a stronger substance that can be very effective in these situations. Acid primers have corrosive, acidic properties and are harsher on the skin than non-acid primers. They contain more potent chemicals and work best for particularly oily nail plates. This type of primer creates microscopic holes in the natural nail plate, allowing for more secure adhesion of the acrylic to the nail plate. If you choose an acid primer, be aware that overuse will cause damage and thinning to the nail plate. Make sure it has fully evaporated before continuing with your gel manicure.
It is important to note that primer is not always necessary. If your gel manicure already lasts for two weeks or more without any chips or lifting, you may not need to add this extra step.
- Ensure your nails are fully dry.
- Apply a thin coat of acid-free primer to the entire nail.
- Apply a thin layer of "Bond" to all natural nails and cure in an LED lamp for 60 seconds or 2 minutes for UV.
- Apply a thin coat of primer to the inside of the nail tips using the brush to scrub the product into the tip.
- Apply "Bond" to the inside of the gel tip where it contacts the natural nail.
- Press the tip to the nail at an angle, starting at the base of the nail, and slowly push downward, allowing the gel to spread to the free edge.
- While holding down the tip in place, cure with a UV/LED lamp for 15-20 seconds.
- Repeat steps 5-7 for the rest of your nails.
- Once the nails are cured and secured, file and shape the tips as desired.
- Proceed with your chosen nail polish or gel polish to finish your manicure.
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The importance of using a nail dehydrator before primer
Gel manicures are a popular choice for those wanting long-lasting nail colour. However, without proper preparation, your nails can end up chipping or peeling after just a few days. This is where a nail dehydrator and primer come in.
A nail dehydrator, also known as a nail prep, is a degreasing liquid used to cleanse the natural nail, removing any trace of oil. This is important because the oils on your nails can prevent the base coat of your gel manicure from properly adhering, leading to chips and peels. By using a nail dehydrator, you strip the nail of all oils, ensuring that the gel polish will stick properly.
If you can't get your hands on a nail dehydrator, you can use rubbing alcohol (91% or higher) or 100% pure acetone as an alternative. These substances will also effectively remove oils and grease from your nails.
Once your nails are dehydrated, the next step is to apply a nail primer. Primer provides a sticky base for maximum adhesion, helping your gel manicure last longer. There are two types of primer: acid-free and acid primer. Acid-free primer is the most commonly used type, as it has a gentle formula that helps with adhesion. It is perfect for those who struggle with chipping, lifting, or peeling. Acid primer, on the other hand, is a stronger substance that works best for those with very problematic nail plates or those with hormonal issues. It creates microscopic holes in the natural nail plate, allowing for more secure adhesion.
By using a nail dehydrator and primer, you can ensure that your gel manicure will last longer and that your nails will be protected. This extra step in your nail routine can make all the difference in achieving flawless, long-lasting gel nails.
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The difference between acid and acid-free primers
Applying a primer is the first step in a gel nail manicure. It helps the gel polish adhere to the nail by removing any remaining oils and grease on the nail plate. There are two types of primers: acid-based and acid-free.
Acid-free primer is the most commonly used primer. It has a gentle formula that helps with adhesion. It acts like 'double-sided sticky tape', creating a temporary pH change that allows the nail to become more alkaline, which helps the gel adhere. Acid-free primers are non-corrosive and do not cause yellowing of the nail. They are ideal for those who struggle with chipping, lifting, or peeling.
Acid-based primer, on the other hand, is a stronger substance that is best used for those with very problematic nail plates or those with hormone problems or specific medications that affect the nails. It contains more potent chemicals and creates microscopic holes in the natural nail plate, allowing for more secure adhesion of the gel to the nail. Acid-based primers have corrosive properties and are harsher on the skin. Overuse of acid-based primers can lead to chemical nail damage and thinning of the nail plate.
It is important to note that improper use of any primer, such as applying too much or too little, can affect the strength of adhesion and cause skin and nail problems. Therefore, it is recommended to follow manufacturer instructions and ensure proper preparation of the nail plate for optimal results.
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How to apply acid primer to gel nails
Applying an acid primer to gel nails is a simple process, but it is important to be careful as acid primers contain more potent chemicals than non-acid primers. This type of primer is best for those with problematic nail plates, or those who suffer from hormone problems or take certain medications that can affect the nails. Acid primer creates a stronger bond between the natural nail and the gel polish, resulting in a longer-lasting manicure.
To apply acid primer to gel nails, start by sanitising your hands and pushing back the cuticles. Using a fine drill bit or buffer/file, remove any shine from the nails. It is recommended to file down any excess length of your natural nail. The nails should be free of any dust or residue, so wipe them clean with alcohol.
Next, apply a nail dehydrator to the entire nail and let it dry. This will help to remove any remaining oils or grease on the nail plate, ensuring that the base coat adheres properly. Once the nail dehydrator is dry, you can apply the acid primer. Place 1-2 small dots of acid primer on the nail and let it spread across the nail plate on its own. Make sure the acid primer has fully evaporated before continuing with the rest of your gel manicure.
It is important to note that acid primer should not be overused as it can cause damage and thinning to the nail plate. If your gel manicure already lasts for two weeks or more without any chips or lifting, you may not need to add primer to your routine.
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The benefits of primer for long-lasting gel manicures
Gel manicures are a popular choice for those wanting long-lasting nail enhancements. However, even with the best preparation, chipping and lifting can sometimes occur after a few days. This is where nail primer comes in—a product that can help your gel manicure last longer and prevent those pesky chips and cracks.
Nail primer is applied at the very start of a gel nail manicure to prime the nail. It removes any remaining oils and grease on the nail plate, which, if left, could cause the base coat not to adhere to the nail. Primer also prevents the formation of air bubbles, which can cause lifting. By removing the oils and preventing air bubbles, primer ensures better adhesion of the gel polish to the nail.
There are two types of primer: acid-free and acid primer. Acid-free primer is the most commonly used type, with a gentle formula that helps with adhesion. It functions as a double-sided adhesive, containing an ingredient that briefly adjusts the pH of the natural nail, making it more alkaline, which is closer to the pH of the gel product. This pH shift facilitates better adhesion. Acid-free primer is non-corrosive and won't cause nail discolouration.
Acid primer, on the other hand, is a stronger substance, best used for those with very problematic nails, or those with hormone problems or specific medications that affect the nails. It creates a rough texture for the gel to grip onto and can greatly improve adhesion in these situations. However, due to its corrosive, acidic properties, it should be used with caution as overuse can cause nail damage and thinning.
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Frequently asked questions
Primer should be applied at the very start of a gel nail manicure.
There are two types of primer: acid and acid-free. Acid primer is best for people with oily nails due to hormonal problems or medication. Acid-free primer is the most commonly used primer and has a gentle formula that helps with adhesion.
Apply 1-2 small dots of acid primer to the nail and let it spread and evaporate fully before continuing with your manicure.
Use an almost dry brush to spread a thin layer of acid-free primer to each nail and let it dry for around 40-60 seconds.











































