6 Common Mistakes to Avoid When Applying Eyelash Extensions

Jul. 24th,2023

Mistake #1: Positioning the Under-Eye Pad Too High

One of the common mistakes is placing the under-eye pad too close to the waterline. This can cause discomfort for the client, resulting in watery eyes and bruising. To avoid this, regularly readjust the under-eye pads every 20-30 minutes during the application to ensure the client's comfort and prevent any irritation.

Mistake #2: Using Unsanitized Lash Tools

Maintaining a clean and sterilized lash station is crucial. Failure to sanitize lash tools, including tweezers, wands, and brushes, can lead to eye infections in clients. It's essential to disinfect lash tools between each client to prioritize their safety and well-being.

Mistake #3: Applying Lashes Too Heavy for Natural Lashes

Applying extensions that are too heavy for the client's natural lashes can cause damage and weaken their natural lash line. Use lash extensions with a maximum diameter of 0.18, and ensure to evaluate each client's lashes to determine the suitable weight for their natural lashes.

Mistake #4: Not Using the Right Lash Length

Choosing the correct lash length is essential to avoid damaging the client's natural lashes. The rule of thumb is to go 2-3 mm longer than the client's natural lashes. Utilize a variety of lengths to create a symmetrical and complementary mapping for a balanced look.

Mistake #5: Not Shaking the Lash Glue

Properly shaking the lash adhesive is essential for optimal performance. Shake the adhesive side to side for 1-2 minutes to ensure thorough mixing. Avoid shaking the glue up and down, as it can cause issues with the adhesive's consistency and affect the bonding.

Mistake #6: Using the Wrong Amount of Lash Adhesive

Applying too much adhesive can lead to stickies and clumping, harming the natural lashes. Dip the extension into a small adhesive bubble and ensure it comes out with just the right amount of glue on the extension. Avoid using excessive adhesive to prevent retention issues and discomfort for the client.


Being aware of common eyelash extension mistakes and taking measures to avoid them can help you become a skilled lash artist. Focus on maintaining a clean and safe lash environment, using the right lash lengths and adhesive amounts, and properly shaking the adhesive for optimal results. With practice and attention to detail, you can create beautiful lash sets that enhance your clients' natural beauty while preserving the health of their lashes.

Don't forget to educate your clients on proper lash extension aftercare to ensure long-lasting and satisfying results. As you progress in your lash journey, seek support and advice from experienced lash artists in online lash artist support groups. Embrace the learning process and continually improve your skills to offer the best lash services to your clients.