What Is a Lash Bonder Used For?

Lash terminology can be confusing. Learn what a lash bonder is, what it is used for, and whether it is safe for your natural lashes.

Posted by Andrea Aronson on 05 November, 2020


Every three weeks, you’re back. Sitting in your lash artist’s chair with your eyes shut tight, you wonder if there’s a better way to get the long, voluminous lashes you love. There has to be a way to get great lashes without spending so much of your time and money at the lash salon. 

If this rings true, you’re in the right place. DIY salon lashes are a real thing, but if you’ve just begun your at-home lash extension journey, you probably have a few questions. One question that’s really important to answer is about lash bonder. 

Lash bonder is a product commonly used in salon lash application, but it’s also available for at-home use. However, the lash bond you use at home usually has a different purpose. 

Don’t worry if it seems a bit confusing; the team at Lashify® has all the answers to your bonding questions. We’ll cover how at-home lashes are attached, what lash bonder is used for, and whether or not it is right for you. 

We’ll also talk about the safest ways to get great lashes at home without damaging your natural lashes. 

Lash Adhesive

After months or years of salon lash extensions, most clients notice their natural lashes are not as healthy as they used to be. There’s a good reason for the decline: lash glue. 

Lash glue that is used in both the salon and in most at-home lash kits contains the same ingredients as super glue: formaldehyde and cyanoacrylate.

There are a few reasons why these ingredients aren’t great for your lashes or eyes:

  • They are known irritants. These ingredients are irritating to the delicate skin of the eyelid and can also cause eye sensitivity. If you have sensitive eyes or skin, it can be even worse.
  • These ingredients harden, causing your natural lashes to become brittle. This means your natural lashes are more likely to break, taking those expensive extensions with them. 

Eyelash extension glue is bad for your lashes, but other adhesive options have fallen short in their ability to support lash retention and in their ease of use. For instance, magnetic lashes work by adhering lash extensions to an iron oxide eyeliner with tiny magnets attached to a band on the eyelash extension. 

This requires skill in applying the liner, and the weight of the magnetic lashes themselves can be so heavy the lashes aren’t comfortable to wear. Strip lashes sometimes use a sticker-like adhesive to attach the strip of lashes to the skin just above the lash line. 

These are notorious for simply not striking or staying in place. In addition to lash glue, another product is often used to support lash retention. It’s called lash bonder.

Lash Bonder

If you’ve ever complained about lash loss to your lash tech, they may have suggested trying a lash bonder. Bonders are placed over the set of lash extensions, on top of the lash glue, to speed up the drying time, or the time it takes for the glue to cure (read: harden, and to help strengthen the adhesive bonding points. It can also help cut down on glue fumes. 

Lash bonder is used in a salon more frequently for clients with heavier volume lashes or with extremely lengthy or D curl lashes. This helps these types of mega-volume lashes stay in place longer. The problem is that lash bonder also adds weight to your extensions, and sometimes a sealer will also be used to help protect the eyelash bonder. 


Lash sealers are often the final step in professional lash application. Your lash tech might apply a sealant to help seal in the glue and bonder and offer a bit more protection against moisture. 

Sealers aren’t usually necessary, but if you tend to lose lashes due to sweating or showering, choosing one might be a good investment. 

Lashify Bonds

Here’s where the lash terminology gets a little tricky. At Lashify, we don’t use lash glue to adhere our Gossamer® lashes to your natural lashes. Instead, we use Bonds, but our Bonds aren’t like lash bonders used in salons. 

Our Bonds are 100% free of cyanoacrylates and formaldehyde and contain no harsh chemicals. They’re formulated to be hypoallergenic and safe for even super-sensitive eyes and skin. Lashify Bonds include biotin and lavender, the same ingredients you’d find in a high-quality lash serum, to help support your natural lashes while you wear your Gossamer lash extensions. 

Many of our customers experience better natural lash growth and healthier lashes when they switch from salon lash extensions to Lashify. Our Bonds also never fully cure, which means they don’t harden and cause your lashes to become brittle and subject to breakage. 

Instead, our Bonds feature Microflex™ technology that allows your Gossamer lashes to bend and flex with your natural lashes for improved elasticity and zero broken lashes. 

Lashify Sealers

Lashify sealers are different, too. Instead of thick coats of heavy sealant, our sealers are lightweight and designed to reactivate your Bonds, helping keep them strong and protecting them from moisture. 

Gossamer lashes are designed to be worn up to 10 days with proper care, and using a Lashify sealer can help extend the wear time of your application. When you purchase the Lashify Control Kit™, you’ll get a full-size of Glass, one of our most popular sealers, and a must-have in your toolbox of extension supplies. 

The Lashify Way

Our Bonds are different, but so are we. Our DIY lashes are designed to protect your natural lashes, your skin, and your eyes. Our system is so reliable and provides such great results that numerous lash pros are switching to the Lashify system for their clients’ eye safety and lash extension application. 

Our Gossamer lashes are 100% cruelty-free but retain a mink-like feel because they’re made from Korean PBT silk. Gossamers are designed like a hybrid mix of traditional strip lashes and cluster lashes, with each Gossamer containing numerous lash fibers attached to a weightless Spine base that measures just a few millimeters in length. 

The Gossamer lashes are attached to the underside of your natural lashes using Underlash Technology™. This method of application is more forgiving for beginners and allows your lash extensions to be more comfortable. 

The Lashify system also requires very little aftercare and is perfect for busy people who want long, voluminous lashes without spending hours in the salon. The best part is that our system is hundreds of dollars less expensive than visiting your lash tech every few weeks. 

Getting Started With Lashify

Getting started with the Lashify system is easy. Grabbing our Control Kit will give you everything you need to get started. Each Control Kit contains:

  • Two sets of Gossamer lashes. Pick two from our Curl, Amplify, or Bold collections. You can also use them to create fully customized looks using Lash Maps. These Gossamer lashes build the foundation of your lash wardrobe, but they definitely won’t be the last Gossamer lashes you purchase. We strongly recommend additional storage so your Gossamer lashes are always in their place and protected. 
  • Fuse Control® Wand. Our ergonomically designed tool makes it easy for you to apply your Gossamer lashes. For smaller hands and faces, the Petit Curve Wand is the best option. 
  • One set of Wandoms®. Because our Bonds don’t fully cure, they become tacky during application. This is important because it causes your Gossamer lashes to adhere to your natural lashes. Wandoms are tiny covers for your Fuse Control Wand that ensure your Gossamer lashes don’t stick to your Fuse Control Wand during application. 
  • Whisper Light Bond™. Our most popular bond, this dual-sided adhesive has a black end and a clear end. It’s lightweight and features Microflex Technology, never leaving behind a sticky residue. 
  • Glass Finishing Coat. The perfect sealer for getting long wear out of your lashes. You don’t have to seal your Gossamers, but if you do, Glass is a great solution. 
  • Samples. You’ll get a sample of Pre Cleanse and Melt Away in each Control Kit. Pre Cleanse is our Japanese Cleansing Water that helps remove dirt and oil from your lashes and lids. It’s powerful yet gentle enough to be used as an all-over facial cleanser. Melt Away helps gently remove your lashes when you are ready to remove them, helping slide your Gossamer lashes off of your natural lashes without pulling or breaking. 

Everything you need is at your fingertips and wrapped up in a protective case that makes it easy to do your lashes at home or on the go. 

Bond. Lashify Bond.

Don’t get stuck with lash glue that could ruin your natural lashes or irritate your skin. Lashify Bond is better for your lashes, your schedule, and your bank account. 

So go ahead, break up with your lash tech, and get the DIY lashes that can actually help nourish your natural lashes while you wear them. 


Is Eyelash Glue Toxic? | Poison Control

American Academy of Ophthalmology Warns Consumers about the Dangers of Eyelash Extensions|AAO.org

Biotin | Health Professional Fact Sheet

Mink Eyelashes Exposed: What Salons Won't Tell You | PETA

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