I don't know about you but when i have my falsies on, my eyelashes are my pride and joy. That heavy feeling you get when you have a nice fresh set, ahhhh, I feel so pretty!

That said, it is inevitable that at some point, your eyelash extensions will be falling out too quickly or not adhering well to your natural lashes and it is just not OK.

Ready to save us from having to appear forlorn on our technician's doorstep every few weeks, a revolutionary new product is here to save the day, lash bonder!

You can grab it online, have it delivered to your door and keep it on hand for lash emergencies. With the lash bonder, lash techs can guarantee such great retention that their clients will be amazed at how long their extensions last.

What is a Lash Bonder?

If you’re someone who loves eyelash extensions, you know how important it is to have a strong and long-lasting bond between your natural lashes and the extensions. This is where a lash bonder comes in, helping to protect your lashes and prolong your extensions the same way a base coat does for your nail polish. And you'd never coat your nails in paint without protecting them with base first, right?!

A lash bonder is a type of adhesive that is applied to the natural lashes before the lash extension glue to help create a stronger bond. In this article, we will discuss what a lash bonder is, how it works, and the benefits of using it for longer-lasting lash extensions.

A lash bonder is a type of adhesive that is designed to enhance the bond between the natural lashes and the lash extension glue. It is usually applied using a micro brush or microfibre brush before the lash extension glue is applied. The bond created by the lash bonder helps to ensure that the extensions adhere more effectively to the natural lashes, resulting in a stronger and longer-lasting bond.

One of the unique features of the lash bonder is that it is specifically designed to work on clients with lashes wet or eyes that may produce more moisture than others. This can be a common issue for some clients, and is one of the biggest and most problematic issues for lash extensions to ensure they adhere properly. The lash bonder helps to create a stronger bond that can withstand the wetness, ensuring that the extensions stay in place for longer.

A key difference between a lash bonder and a regular lash adhesive is that a lash bonder typically has a slower curing time than a regular lash adhesive. This means that it takes longer for the bond to fully set, but once it does, it creates a much stronger hold. This is because the bond has more time to fully develop and create a more secure attachment between the natural lash and the extension.

So what are the benefits of using a lash bonder for longer-lasting lash extensions?

First and foremost, a lash bonder helps to ensure that the extensions stay in place for longer periods. This means that clients can enjoy their lash extensions for longer without having to worry about frequent touch-ups or replacements.

In addition to prolonging the life of lash extensions, a lash bonder can also help to prevent damage to the natural lashes. By creating a stronger bond between the natural lash and the extension, the lash bonder helps to reduce the risk of breakage or shedding. This means that clients can enjoy their lash extensions without worrying about causing damage to their natural lashes.

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How to Use a Lash Bonder

Here are the steps for using a lash bonder:


Preparation is key! Before applying a lash bonder, make sure the eyes and lashes are clean and dry. This means removing any makeup, oils, or residue from the lashes with a lash cleanser or micellar water. Use a microfibre brush or lint-free applicator to gently dry the lashes and ensure they are not wet.


Once the lashes are clean and dry, apply a small amount of lash bonder to the base of the natural lash, just above the lash line. Use a micro brush or applicator to carefully apply the bonder, taking care not to touch the skin or eyes.

Shock Curing

After applying the lash bonder, use a handheld fan or air blower to "shock cure" the adhesive. This means blowing cool air onto the lashes for a few seconds to help the bonder dry quickly and form a strong bond.


Repeat the process for each natural lash, taking care to apply the lash bonder evenly and not use too much adhesive.

Tips for Applying a Lash Bonder:

Use a small amount of bonder: Using too much bonder can cause the lashes to clump together or create a bulky appearance. A small amount is all that is needed to create a strong bond.

Be precise: When applying the lash bonder, make sure to avoid touching the skin or eyes, and apply it as close to the base of the natural lash as possible.

Use a handheld fan or air blower: This can help the adhesive dry quickly and form a strong bond, but make sure to use cool air and not heat.

How Often Should a Lash Bonder Be Used?

The frequency of using a lash bonder depends on the natural lash growth cycle and the type of lash adhesive being used. In general, it is recommended to use a lash bonder once every 2-3 weeks to maximize retention and ensure the lashes last as long as possible. However, it is important to follow the instructions provided by the lash bonder manufacturer and consult with a professional lash technician to determine the best frequency for each client.

Improve Retention of the Eyelashes
Improve Retention of the Eyelashes

Ingredients in a Lash Bonder

Lash bonders are an essential product for professionals in the eyelash extension industry. They are used to increase the retention time of lash extensions by bonding them securely to the natural lashes. The formulation of lash bonders varies by brand, but most contain similar ingredients with varying concentrations. In this article, we will discuss the common ingredients found in lash bonders and their functions.


Cyanoacrylate is the primary ingredient in lash bonders. It is a type of adhesive that polymerizes when it comes into contact with moisture. This reaction creates a strong bond that is essential for attaching lash extensions to natural lashes. Cyanoacrylate is known for its quick-drying properties and has been used for years in the medical industry for wound closure.

Carbon Black:

Carbon black is a common ingredient in lash bonders. It is a black pigment that is added to the formula to create a darker, more dramatic lash look. Carbon black is also used in other cosmetic products like mascara and eyeliner.


Polyisocyanate is a polymer that is added to lash bonders to increase their viscosity. It helps the adhesive to adhere better to the natural lashes by thickening the consistency of the bond. Polyisocyanate also helps to prevent the adhesive from running or dripping during application.

Polymethyl Methacrylate:

Polymethyl Methacrylate is a polymer that is often added to lash bonders to give them a longer-lasting bond. It is a clear, acrylic-based resin that is commonly used in cosmetic products like nail polish and hair spray. Polymethyl Methacrylate helps to strengthen the bond between the natural lashes and the extensions, making it less likely for them to fall out prematurely.

Ethyl Cyanoacrylate:

Ethyl Cyanoacrylate is a derivative of cyanoacrylate that is often used in lash bonders. It has a slower drying time than regular cyanoacrylate, which makes it easier to work with during application. Ethyl Cyanoacrylate is also less likely to cause irritation or allergic reactions than regular cyanoacrylate.

While the ingredients in lash bonders are generally safe for use, there are some potential side effects that users should be aware of. Some people may be allergic to cyanoacrylate or other ingredients found in lash bonders. Symptoms of an allergic reaction can include redness, swelling, itching, and burning of the eyes. If you experience any of these symptoms, it is important to discontinue use of the product immediately and seek medical attention if necessary.

To avoid potential sensitivities or side effects, it is essential to choose a lash bonder from a reputable brand that has been tested for safety. Additionally, it is important to follow the manufacturer's instructions for use and to be cautious when applying the product around the eyes.

Maintaining Lash Extensions with a Lash Bonder

Lash bonders are essential for maximizing the retention of lash extensions. However, proper care and cleaning are also crucial to maintain the longevity of your lash extensions. Here are some tips and best practices for maintaining your lash extensions with a lash bonder:

  1. Avoid wetting your lashes for the first 24 hours after application. This will allow the lash bonder to fully cure and set, ensuring a strong bond between the natural lash and the extension.
  2. Clean your lashes regularly with a lash cleanser or gentle soap. This will help to remove any dirt, oil, or makeup residue that may weaken the adhesive bond. For more information on the best Lash cleansers, check out my blog Luscious Lashes: Revitalize and Transform Your Look with the Ultimate Lash Shampoo!
  3. Use a microfibre brush to gently comb through your lashes, taking care not to pull or tug on them. This will help to prevent any tangling or twisting of the lashes, which can cause them to break or fall out prematurely.
  4. Avoid touching or rubbing your eyes excessively, as this can also weaken the adhesive bond and cause the lashes to fall out.
  5. Use a lash sealer or sealant to protect your lashes from moisture and humidity, which can cause them to loosen or fall out. This can be especially helpful for clients who live in humid climates or who engage in activities that cause them to sweat heavily.
  6. Consider using a lash growth serum or conditioner to help promote healthy natural lash growth and reduce the risk of breakage or shedding. This can help to improve the overall health and appearance of your lashes, as well as help to extend the life of your lash extensions.

By following these tips and best practices, you can help to maintain the longevity of your lash extensions and maximize the retention of your clients' lashes. With the help of a lash bonder, your clients can enjoy beautiful, long-lasting lashes that look and feel natural.

Strong Eyelashes Retention with Lash Bonder
Strong Eyelashes Retention with Lash Bonder

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A lash bonder can be a game-changer for anyone looking to extend the life of their lash extensions while maintaining the health of their natural lashes and clients' eyes. It works by reinforcing the adhesive bond, maximizing retention, and protecting against moisture and oils that can weaken the bond. With proper use and maintenance, a lash bonder can help clients achieve longer-lasting lash extensions and save time and money on touch-up appointments.

If you're interested in trying a lash bonder, we highly recommend doing your research to find the best product for your needs. Look for a reputable brand, read customer reviews, and consider the price and effectiveness of the product. Always follow the instructions carefully and use the recommended tools, such as a microfibre brush, to ensure proper application.

Don't let your lash extensions fall flat – try a lash bonder today to enhance your clients' retention and achieve a stunning, long-lasting look. Start with our recommended product and experience the difference for yourself. Your clients will thank you for it!