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All About Eyelash Glue: A Comprehensive Guide


Eyelash glue is a crucial component in the application of eyelash extensions. It’s the adhesive that bonds the extensions to your natural lashes, creating a fuller, more dramatic look. But with so many types and brands on the market, how do you know which one is right for you? This blog post will delve into the world of eyelash glue, providing you with all the information you need to make an informed decision.

Understanding Eyelash Glue

Black Eyelash Glue

Black eyelash glue is specifically formulated to dry with a dark color, blending seamlessly with black lashes. Its primary advantage lies in creating a fuller lash line, enhancing the overall appearance of the extensions. Professionals often prefer black lash extension glue when working with clients who have naturally dark or black lashes.

Clear Eyelash Glue

Clear eyelash glue, as the name suggests, dries to a transparent finish. This type of adhesive is suitable for clients with lighter or white eyelash extensions. Clear glue offers a more subtle appearance, allowing the focus to remain on the lashes themselves rather than the adhesive.

Comparing Black and Clear Eyelash Glue

When it comes to appearance, black eyelash glue creates a fuller lash line and blends seamlessly with black lashes, while clear glue offers a more subtle finish that emphasizes the lashes themselves. In terms of versatility, clear eyelash glue is more suitable for a wide range of lash styles and looks, making it a versatile option.

The Science Behind Eyelash Glue

The main ingredient in lash adhesives is cyanoacrylate. It’s classified as an acrylic resin that cures extremely quickly. Cyanoacrylate cures, a.k.a. reaches its strongest bond, by reacting to the hydroxyl ions in water. Meaning, your lash adhesive cures by reacting to moisture on the lashes (the bonding surface) as well as in the air.


Q: What is the main ingredient in eyelash glue? A: The main ingredient in eyelash glue is cyanoacrylate.

Q: What is the difference between black and clear eyelash glue? A: Black eyelash glue creates a fuller lash line and blends seamlessly with black lashes, while clear glue offers a more subtle finish that emphasizes the lashes themselves.

Q: Is eyelash glue safe? A: Yes, eyelash glue is generally safe to use. However, some people may have an allergic reaction to the ingredients in the glue.

Q: What should I do if I have an allergic reaction to eyelash glue? A: If you have an allergic reaction to eyelash glue, you should immediately remove the eyelash extensions and consult a healthcare professional.


Choosing the right eyelash glue is essential for achieving flawless lash extensions. Whether you prefer black or clear glue, understanding the characteristics, advantages, and considerations of each type can help you make an informed decision. Remember, it’s always important to do a patch test before using any new product to ensure you don’t have an allergic reaction. Happy lashing!

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