9 Lash Serums That’ll Help You Grow Your Longest Lashes Yet

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Achieving longer, fuller lashes without eyelash extensions or falsies may seem like a pipe dream, but with a good lash growth serum by your side, lengthier lashes that are the real deal are possible.

But before you start your search for the best one to stimulate growth, you should know that you have to commit in order to see results. We’re talking daily applications, and for some formulas, even morning and night.

In addition to the best serums, another tried and true DIY method is applying castor oil. “Castor oil is most commonly used as a natural treatment for thin or sparse eyelashes,” Dr Joshua Zeichner told InStyle

“It is rich [in] fatty acids and helps [to] coat [the] hair shaft themselves to enhance shine and make the hair itself look thicker. In addition, castor oil has antimicrobial properties. By reducing levels of [yeast] along the hair follicles, it can help reduce inflammation and subsequently allow hair follicles to function optimally.” 

To apply, soak a q-tip in the oil and carefully apply it to your lash line, leaving it on for at least 15 minutes if not overnight.

An eyelash growth serum can be used to complement such DIY methods, or used solo. Eyelash enhancing serums tend to be the more popular pick because they’re pretty simple to apply; some even come with a mascara-like applicator.

On the hunt for one but not sure what to look for? The best growth-boosting formulas are packed with conditioning peptides and fatty acids to stimulate and lash length.

Here, we’ve rounded up the best serums that will help you get the long lashes of your dreams.

The Best Lash Growth Serums To Buy In 2024 

The best lash growth serums to buy in 2024.


RapidLash, Eyelash Enhancing Serum, 0.1 fl oz (3 ml)

$55.13 at iHerb

With a blend of peptides, biotin, panthenol, amino acids, soybean oil, and pumpkin seed extract this serum promotes healthier, fuller lashes in just eight weeks.

Key features:

  • Ophthalmologist & Dermatologist Tested
  • Safe for Contact Lens Wearers
  • 3ml
The Best lash growth serums in Australia.


The Eyebrow and Lash Enhancing Serum

$234.00 at Augustinus Bader

Cult-status beauty brand, Augustinus Bader, has launched a new two-in-one lash and brow serum designed to strengthen and revitalise hair follicles while supporting natural growth.

Utilising the power of their TFC8 technology, a ‘trigger factor complex’ that nourishes, protects and promotes skin renewal, the formula promises longer lashes and fuller brows.

Key features:

  • Prostaglandin (PGA) free formula
  • Powered by TFC8®
  • Sustainably sourced ingredients
The Best lash growth serums.


Jane Iredale PureLash Extender + Conditioner

$36.80 at Adore Beauty

Growth isn’t the only thing this serum takes care of (though it will certainly provide some lush lengthening action); it also primes and preps the lashes for mascara application, harnessing the power of a mix of botanicals to nourish, soften and condition.

Key features:

  • Paraben Free
  • Can be used on the eyebrows
  • Primer included

Available at:

The Best lash growth serums


The Ordinary Multi-Peptide Lash And Brow Serum

$25.90 at Myer

The Ordinary has been paving the way when it comes to affordable beauty and skincare products that actually work, and their Lash & Brow Serum, formulated with four different peptide technologies as well as 11 key active ingredients, is no different.  

Key features:

  • 11 key active ingredients
  • 5ml
  • Affordable price
The best lash growth serums in 2024.


Eyelash Growth Serum

$79.95 at LashRehab

This triple peptide formula targets the three stages of the lash cycle, promising fuller lashes in 4 to 8 weeks. For those prone to irritation, their signature serum now also comes in a sensitive formula. 

Key features:

  • Paraben and sulfate-free 
  • No artificial fragrances or colours
  • Vegan and cruelty-free 
The best lash growth serums to buy in 2024.


Mirenesse Secret Weapon 4D Lash And Brow Growth Serum

$54.00 at Adore Beauty

Considering it’s clinically proven to increase lash (and brow, if you’re so inclined) volume by 66 per cent in just thirty days, you’d be forgiven for thinking that’s all it could possibly offer.

But no, it also happens to be loaded with kiwi seed oil to simultaneously nourish the eye area as it works.

Key features:

  • Anti-ageing Kiwi Seed Oil
  • 24K Gold Eye Serum
  • Paraben, gluten, mineral oil and sulphate free
The best lash serums to buy in 2024.


Revitalash Advanced Eyelash Conditioner

$160 at Net-A-Porter

Revitalash Advanced is practically the Rolls-Royce of lash conditioners.

Not only does the serum grow fluffy, voluminous length as it promises, but nourishing ingredients like green tea, ginseng, and biotin also shield your lashes from external irritants to keep stronger for longer.

Key features:

  • Ophthalmologist formulated
  • Free from parabens, phthalates, BHT and gluten
  • Hypoallergenic
The best lash serums to buy in 2024.


L’Oreal Paris Clinically Proven Lash Serum

$19.19 at Adore Beauty

If it’s a length and strength double act you’re after, give this repairing blend a go.

Enhanced by keratin and filoxane for growth as well as hyaluronic acid and castor oil for hydration and health, it’ll help to reduce lash loss while also enhancing fullness and moisture levels. It’s also a serious steal.

Key features:

  • 6.5ml
  • Includes keratin and filoxane
  • Castor Oil to nourish and protect
The best eyelash serums to buy in 2024.


Lashfood Eyelash Enhancer Serum

$127.50 at Activeskin

Feel more comfortable applying a vegan option? This fortifying formula is your ideal fit.

In fact, it pulls its strengthening, thickening and darkening (yep, darker lashes are possible) abilities from a range of organic herbs and plant extracts, from strengthening soy and rice proteins to growth-promoting arginine.

Key features:

  • Certified natural & organic
  • Free from dyes, mineral oils and synthetic fragrance
  • Suitable for all skin types

What Is The Best Serum For Eyelash Growth?

When it comes to choosing the right eyelash serum, it really depends on your own unique skin type and tolerance of certain ingredients.

Some people may see better results from serums made from stronger ingredients but others may suit gentler and more natural ones.

Remember to read the ingredient list and reviews carefully.

Do Lash Growth Serums Actually Work?

Yes, lash growth serums do work but perhaps not as quickly as you may expect.

It’s important to be patient with your serum and remember that your lashes are not the same as someone else’s. This means you might experience less noticeable or slower results to someone else.

It’s also worth considering that not all lash growth serums are made the same and the different ingredients may impact the effectiveness of different serums.

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