Skip to product information
1 of 10
4.8/5 (318 reviews)

CosmicLash™ Eyelash Growth Serum

Real Growth. No Extensions. No Irritation.

Deep pigmented Clinically proven for longer, fuller lashes
Waterproof No redness, no hormones, no irritation
Lasting time Visible results in just 2–6 weeks
Limited stock • Ships Today from Boston, MA
🇺🇸 | Free shipping to United States

Why you'll love it

Visible Results – Longer, fuller lashes in just weeks
Gentle Formula – Safe for sensitive eyes and skin
No Hormones or Harsh Chemicals – Just clean, effective ingredients
All-Day Confidence – Smudge-proof and no touch-ups needed
Dermatologist-Tested – Backed by clinical formulation standards

How to apply?

  1. Remove your makeup with an oil-free makeup remover or cleanser
  2. Apply a thin layer on your eyelashes. One dip total for both eyelashes.
  3. Wait until the serum has fully dried before applying any additional products
  4. Allow the serum to work overnight

Can I use with other products?

Yes! Once the serum has fully dried, you can safely apply mascara or any of your usual lash and eye makeup. Just make sure the serum has fully absorbed before layering other products to ensure the best results.

Is it safe?

Yes. Our serum is clinically formulated with non-irritating, skin-safe ingredients. It is:

• Dermatologist-tested

• Hypoallergenic

• Suitable for all skin types, including sensitive eyes

Designed for all-day wear without the need for reapplication.

Ingredients

Aqua (Water):
The most common ingredient in cosmetic formulations, used as a solvent.

Hyaluronate (Hyaluronic Acid):
A hydrating agent that helps retain moisture in skin and hair.

Pentylene Glycol:
A humectant and solvent that helps to moisturize and improve the texture of formulations.

Panax Ginseng Extract:
Known for its antioxidant properties, it helps to energize and rejuvenate the skin.

Swertia Japonica Extract:
Used for its potential hair growth benefits and to strengthen hair.

Pumpkin Seed Extract:
Contains nutrients beneficial for skin and hair, such as vitamins and fatty acids, which help in moisturizing and strengthening.

Acorus Calamus Root Extract:
Traditionally used in herbal medicine, it has soothing properties.

Panthenol (Provitamin B5):
A moisturizing agent that improves hydration, reduces itching and inflammation, and accelerates wound healing.

Serenoa Serrulata Fruit Extract (Saw Palmetto):
Supports hair health and reduce hair loss.

Biotinoyl Tripeptide-1:
Improves hair strength and promotes growth.

Myristoyl Pentapeptide-17:
A peptide that enhances the appearance of lashes and brows by promoting growth.

Oligopeptide-10:
Known for its antimicrobial properties, it helps with skin clarity.

Tocopherol (Vitamin E)
An antioxidant that helps protect skin and hair from damage and supports moisture retention.

Biotin (Vitamin B7):
Essential for healthy hair and skin, used to support hair strength and growth.

Shipping & Returns

We offer free shipping worldwide on all orders!

Your order will be processed within 48 hours and delivered via your local postal service. Delivery typically takes 5–15 business days, depending on your location.

As soon as your order ships, you’ll receive a tracking number to monitor it every step of the way.

Not in love? No problem.
We offer a 14-day hassle-free return policy. Items must be unused and in original packaging. Visit our Return Policy page for all the details.

View full details
Top Lips Bottom Lips
Josephine, 54
★★★★★
This serum truly changed everything for me. In just 8 weeks, my lashes became noticeably longer, darker, and more defined — something I hadn’t seen in years. Friends keep asking what I’ve done differently, and I tell every one of them: it’s this serum. I only wish I had found it sooner.
Read More
Top Lips Bottom Lips
Elena, 26
★★★★★
So amazing! It took just 6 weeks for my lashes to look like I got subtle lash extensions. It took a lot of patience and consistency, but it was all worth it!!!
Read More
Top Lips Bottom Lips
Beatrice, 42
★★★★★
Look at my lashes... they’re actually long again. I honestly never thought this was possible at my age. I was so skeptical at first, but I’m so glad I gave it a chance. Truly beyond happy with the results!
Read More
Top Lips Bottom Lips
Ana, 21
★★★★★
UNBELIEVABLE!! I am shocked. I didn't actually think it would work, but after using it every single day for 7 weeks, it really did work. Especially for my bottom eyelashes.
Read More
Get Noticeable Results in Less than 4 Weeks
Step 1

1 Week

Get ready! Longer lashes are on the way.

Step 2

4 Weeks

Your lashes look longer and you can feel they are healthier.

Step 3

8 Weeks

People are noticing and love your lashes!
Not only are they longer but thicker too, keep going!

Step 4

12 Weeks

Your lashes have reached their full potential, and your look has completely changed!

KissVault™ Lip Tattoo Model
Longer, thicker, healthier naturally
Achieve the fuller, thicker, and healthier lashes you've always desired with our revolutionary Eyelash Growth Serum. Our serum is expertly formulated to promote growth and strengthen each hair, and the skin around it, giving you bold and beautiful lashes.
Smudge-proof icon Fuller Lashes
Last 12 hours icon Visible in 8 Weeks

Why CosmicLash?

Cosmic Lash Others Lash Extension
100% natural check x x
Painless check x x
Vegan check x x
Cruelty free check x x
Proven results check x x

Frequently Asked Questions

  1. Remove your makeup with an oil-free makeup remover or cleanser
  2. Apply a thin layer on your eyelashes. One dip total for both eyelashes.
  3. Wait until the serum has fully dried before applying any additional products
  4. Allow the serum to work overnight

Yes it does! However, just like anything that's worth it, it takes patience and consistency. The time depends on the growth cycle your hairs are in at the start. It takes between 8-12 weeks to see full results.

If you notice that it doesn't work, you can send us an e-mail and you will be able to claim your refund.

Our lash serum is formulated with gentle ingredients, but if you have particularly sensitive eyes, we recommend doing a patch test before using it.

Yes! Once the serum has fully dried, you can safely apply mascara or any of your usual lash and eye makeup. Just make sure the serum has fully absorbed before layering other products to ensure the best results.

To qualify for our 100% results guarantee, please follow these steps:

Daily usage requirement: You must use the product every day for a continuous period of at least 12 weeks.

Photo diary: Document your daily usage with a photo diary. This means taking a photo each day that you use the product.

Date verification: Ensure that each photo clearly shows the date it was taken. This helps us verify that you have used the product daily.

By following these guidelines, you can demonstrate your compliance with the guarantee requirements and be eligible for a refund if the product does not deliver the promised results.

All returns must be postmarked within fourteen (14) days of the delivery. All returned items must be in new and unused condition, in the original packaging. See our return policy for more info

Model applying lip gloss

Why Absorba is the best choice?

Our passion for beauty and confidence speaks for itself.

Instant result

Always an instant effect

Trusted by 100,000+ Customers

Loved by so many other lashes

Ethical

Cruelty free and vegan