A Comprehensive Guide to Applying Lash Serum for Maximum Results

Written by: Brilliant Staff

Fact checked by: Heather Snead, Licensed Esthetician

A Comprehensive Guide to Applying Lash Serum for Maximum Results

We’ve all heard the promise of lash serums: It’s a non-invasive, cost-effective solution to achieve fuller, longer, healthier looking lashes without the need for extensions or falsies. But are they really worth the hype? And if so, how do you tell apart the product that delivers real results from the one that delivers false promises? Whether you're a seasoned lash pro or just starting your lash-boosting journey, you won’t want to miss these insider tips on getting the most out of your lash serum for longer, fuller-looking lashes. 

Why Use a Lash Serum?

Lash serums are typically formulated with conditioning peptides and fatty acids to stimulate and promote lash length. Proper hydration is also essential for keeping your lashes looking healthy and long. Some lash serums include ingredients like hyaluronic acid, glycerin, or other humectants to help maintain the moisture balance of the lashes.

Incorporating Lash Serum into Your Beauty Routine

Incorporating lash serum into your daily beauty regimen is relatively simple, and soon enough, you’ll be able to seamlessly integrate into your routine. 

Morning Routine

  1. Cleanse Your Face: Start your morning with a good cleanse to remove any residual  product or oil from your face.
  2. Apply Lash Serum: After cleansing, apply the lash serum along the upper eyelash line. Make sure your eyelids are completely dry before application. For best results, wait 5-10 mins for the serum to absorb before moving on to other skincare steps.
  3. Proceed with your Skincare Routine: Once the serum is fully absorbed, proceed with your regular skincare routine — toner, serum, moisturizer, and most importantly, sunscreen.
  4. Makeup: Make sure your lash serum has fully dried before you apply makeup to prevent interactions with other products. Once your lashes are dry, it’s time to  apply mascara, eyeliner, or eyeshadow, if that’s part of your routine

Evening Routine

  1. Remove Makeup: After a long day, start your evening routine by removing makeup, including mascara and eyeliner.
  2. Cleanse & Tone: Proceed with a gentle face cleanser, and follow it up with a toner to remove any last traces of dirt, oil, and makeup.
  3. Apply Lash Serum: Just like you did in the morning, apply the lash serum along your eyelash line.
  4. Night Skincare Routine: Once the serum has absorbed, you can proceed with the rest of your night skincare routine.

By incorporating a lash serum into your morning and evening routines, you’re providing the maximum opportunity for the product to work its magic. Remember, the path to beautiful lashes is all about consistency, patience, and care!

How to Apply Lash Serum

Here's a step-by-step guide on how to apply lash serum properly:

  1. Cleanse Your Face: Start with a clean slate. Using a gentle cleanser, make sure you remove traces of mascara, eyeliner, or any other eye makeup that could otherwise interfere with the lash serum’s performance.
  2. Apply the Serum: Using the serum’s applicator brush, apply the product along the base of your upper eyelashes, from inner to outer corner. Depending on which serum you use, you may be advised to apply once or twice daily, and only to top lashes. Applying serum to the bottom lashes poses a greater risk of it going into your eyes and causing irritation. 
  3. Let it Dry: Allow the serum to dry for 5-10 minutes before proceeding with the rest of your skincare routine to prevent it from diluting or leaking into your eyes.

Tips for Optimal Results

  • Stay Consistent: Consistency is key. It is recommended to apply lash serum once every day for a period of 1-2 months for visible results.
  • Don’t Overtly Soak Your Brush: Applying too much product will not fast-forward results and instead, may lead to irritation or waste of a good product.
  • Patience is Key: To produce lovely, thicker, longer-looking lashes, lash serums can require up to four to six months of continuous use to observe benefits. Even better, with consistent use, the majority of consumers get effects in as little as 4-6 weeks.

Diverse Perspectives

While lash serums seem promising, people with sensitive eyes should be extra cautious. Some individuals may experience itching or redness due to active ingredients in the serum. It's imperative to conduct a patch-test or consult with a dermatologist prior to starting any eyelash treatment.

Remember, beauty comes in all forms. People who prefer natural remedies can resort to castor oil, herbal supplements, or a balanced diet to promote healthy lash growth.

The lash serum journey is an exciting one, but it’s not a quick fix. To get the most out of your lash serum, be sure to apply  diligently and patiently for beautiful, lasting results. 


  1. Ilyas, Kinza. “How to Use Eyelash Serum? Step-By-Step Guide for You! - Healthwire.” Health & Wellness Blog | Healthwire, 30 Aug. 2022,healthwire.pk/healthcare/how-to-use-eyelash-serum/. Accessed 8 Nov. 2023.