How To Fill A Gap In The Lashes For Eyelash Extensions Step By Step Gu - eslashes

How To Fill A Gap In The Lashes For Eyelash Extensions Step By Step Guide

October 19, 2023 4 min read

How To Fill A Gap In The Lashes For Eyelash Extensions Step By Step Guide - eslashes

Eyelash extensions have become a popular beauty trend, providing individuals with long and voluminous lashes. However, sometimes gaps can appear in the lash line, disrupting the overall look. Filling these gaps is crucial to maintaining the seamless appearance of eyelash extensions. In this article, we will explore the process of filling a gap in the lashes for eyelash extensions and provide you with valuable tips to achieve flawless results.

Common Issues with Eyelash Extensions

Gaps can occur due to natural lash shedding, lash damage, picking or pulling at the lashes, sparse lashes, improper application, or insufficient aftercare. A gap that's missing healthy natural lashes is usually quite visible, especially as lash extensions are being applied. Often times, the cause of the gap is due to damaged lash extensions. It's important to be very careful if the client's lashes are in a fragile state. However, these gaps can be easily filled using volume lash extensions, restoring the flawless look of the lashes.

Identifying Gaps in Eyelash Extensions

Before filling the gaps, it's crucial to identify where the gaps are in your lash line. Take a close look at your lashes and observe any areas where natural lashes are sparse, or missing creating a noticeable gap. This will help you determine the specific areas that require attention during the filling process.

Preparing for Filling the Gap

To ensure a successful gap-filling process, it's important to prepare your lashes and the surrounding area. Start by cleansing your lashes with a gentle lash cleanser to remove any debris or oils. This will create a clean surface for the new extensions to adhere to. Additionally, comb through your lashes using a clean spoolie brush to separate any tangled or clumped lashes.

Choosing the Right Products

When it comes to filling the gap in your lashes, using the right products is essential. Gaps in the lash line are easiest to fill using volume lashes. Lightweight, wide volume fans are the best choice to help safely cover the gap. If you aren't trained in volume lashing, a premade fan can be used to help fill the gap. It can be difficult to cover a gap using just classic lashes. Recommend that clients choose a hybrid or volume lash set to ensure a balanced end results. Again, don't worry if you aren't trained in volume lashing, premade fans can be used to create a hybrid lash set! 

Step-by-Step Guide to Filling the Gap

Here is a step-by-step guide to help you fill the gap in your lashes for eyelash extensions:

  1. Prepare Your Tools: Gather all the necessary tools, including lightweight volume lash extensions, adhesive, tweezers, and a lash tile.

  2. Isolate the Natural Lash: Use the tweezers to isolate the natural lash where the gap is present. This will ensure precise application.

  3. Apply Adhesive: Dip the extension into a small amount of lash adhesive and gently apply it to the isolated natural lash, approximately 1-2 mm away from the eyelid.

  4. Extension Placement: Angle the lash fan towards the gap, place on the natural lash and hold in place. Side placement is best to help the fan lean in towards the gap. Repeat this process for each individual lash that requires filling.

  5. Repeat for Other Gaps: Continue isolating and filling each gap until the desired result is achieved. Be patient and ensure proper placement for a natural appearance.

  6. Comb and Blend: Once all the gaps are filled, use a clean spoolie brush to comb through the lashes, ensuring they are well-blended and free of tangles.

Filling the lash gap cartoon

Troubleshooting Tips

In case you encounter any issues during the gap-filling process or notice further gaps after completion, here are some troubleshooting tips:

  1. If the adhesive is not bonding properly, double-check that your lashes are clean and free of any oils or debris.

  2. Ensure you are using the correct adhesive for your specific eyelash extensions and follow the manufacturer's instructions.

  3. If you're struggling with precise application, consider seeking professional assistance or attending a lash extension training course.

Filling Gaps for Damaged or Sparse Lashes

Clients with damaged or sparse lashes may have one or more small gaps where lashes are currently not growing or not strong enough to support an extension. Leaving this unaddressed can result in an uneven finished look. The best way to fill the gap is by using 2 lightweight fans on strong lashes next to the gap and directing them towards each other. It is important to keep all natural lashes healthy and safe. If the clients lashes are too damaged to support lash extensions, recommend they use a lash growth serum and take a few months break from lash extensions. Once the natural lashes have grown out and are healthy again, lash extensions can be applied. 

Watch Our Video on How To Fill A Gap In The Lashes For Eyelash Extensions


Filling the gaps in your lashes for eyelash extensions is a straightforward process that can restore the flawless look of your lashes. By following the step-by-step guide and implementing proper aftercare, you can maintain beautiful and voluminous lashes. Remember to be patient, take your time, and choose high-quality products for the best results.


  1. How long does it take to fill a gap in eyelash extensions? The time required to fill a gap depends on the number of gaps and your skill level.

  2. Can I fill the gaps in my lashes myself? No, it's recommended to seek professional assistance.

  3. How often should I get touch-up appointments for my eyelash extensions? Touch-up appointments are typically recommended every 2-3 weeks to maintain the fullness and seamless look of your lashes.

  4. Can I use mascara on my eyelash extensions? It is generally not recommended to use mascara on eyelash extensions, as it can clump the lashes together and weaken the adhesive.

  5. What should I do if I accidentally remove an eyelash extension? If you accidentally remove an eyelash extension, avoid pulling on the remaining extensions. Contact a professional technician to schedule a touch-up appointment.

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