Which eyelash serum really works? Here's what you need to know!

Does eyelash serum really work? Yes, provided you choose a formula that has been scientifically proven to be effective. Not every serum that looks appealing in its packaging does what it promises. However, there are eyelash serums that do give visible results, provided they contain the right ingredients and are used correctly.

In this article, you will discover which eyelash serums really work, what science says about their effectiveness, and how to choose a safe serum that suits your eyelashes.

In this article you will read about:

  • What makes an eyelash serum effective?
  • Which eyelash serum really works?
  • What should you look out for?

Key take aways:

  • An effective eyelash serum contains ingredients that stimulate and strengthen eyelash growth.
  • Moisturizing substances nourish the eyelashes, but do not stimulate hair growth themselves.
  • Choose a serum that is hypoallergenic, with clinically proven results.

1. | Does eyelash serum really work, or is it mostly marketing hype?

Opinions about eyelash serums vary. Some swear by them, others call them a marketing gimmick. The truth lies somewhere in between and is supported by research.

Scientific studies show that certain ingredients, such as prostaglandin analogues, can actually prolong the growth cycle of eyelashes[1]. This allows eyelash hairs to remain in the growth phase for longer, resulting in a naturally fuller and longer effect.

However, not every eyelash serum works. Its effectiveness depends on the concentration and quality of the active ingredients, the composition of the formula, and how consistently you use it.

In short: yes, eyelash serum can really work, but only if it is based on science rather than promises.

2. | What makes an eyelash serum effective?

2.1 | Active ingredients that really make a difference

The power of an eyelash serum lies in its formula. The most important active ingredients are:

  • Prostaglandin analogues or growth factors, which prolong the growth phase of the eyelash hairs and ensure visibly longer eyelashes within 4 to 8 weeks. 
  • Peptides strengthen and nourish the eyelashes, making them less prone to falling out.
  • Biotin and B vitamins support the production of keratin, the natural building block of hair.
  • Hyaluronic acid and castor oil moisturize and protect the hairs from breakage, but do not stimulate hair growth on their own.

2.2 | The right balance in the formula

A good serum contains a balanced combination of these ingredients. The ratio between growth-stimulating and nourishing substances is crucial. A formula that is too powerful can cause irritation, while one that is too mild will hardly produce any results.

Therefore, choose serums with a safe, hypoallergenic composition, preferably without perfume. Brands that are transparent about their ingredients and test results usually offer the best guarantee of safety and effectiveness.

3. Which eyelash serum really works according to research?

When you bring all the factors together, only a few formulas remain that truly deliver what they promise.

One example of such a formula is Superlash. This serum combines a prostaglandin analogue, nourishing peptides, and a growth factor in a carefully balanced composition. It is hypoallergenic, cruelty-free, and suitable for sensitive eyes.

Users often notice within four to eight weeks that their eyelashes appear fuller, longer, and stronger, without irritation or redness. Superlash demonstrates that a good eyelash serum does not need to rely on marketing, but on science.

4. | Does eyelash serum also work in the long term?

As long as you continue to use eyelash serum, your eyelashes will remain in top condition. If you stop, the natural growth cycle will gradually return, causing the eyelashes to lose their extra length and volume. They will not become thinner than before; the strengthening effect will simply disappear.

After approximately twelve weeks or once you have achieved the desired result, you can switch to maintenance. Use the serum every other day to maintain the effect.

5. | What should you look for when buying an eyelash serum?

5.1 | Ingredients and safety

When choosing a serum, pay close attention to the ingredients and safety. Choose products that are hypoallergenic and avoid formulas with lots of fragrances or alcohol. Transparency is important: reliable brands provide clarity about their ingredients and possible side effects.

5.2 | Price versus quality

Price isn't everything. An expensive serum isn't necessarily better, but extremely cheap formulas often contain too few active ingredients to make a real difference. So don't just look at the price, but above all at the quality of the formula and the scientific evidence behind it.

5.3 | Reviews and reliability

In addition, read independent reviews with before and after photos. Be wary of claims that seem too good to be true or fake reviews. Products with many genuine, consistent reviews are generally more reliable.

6. | What if your eyelash serum doesn't work?

Are you using an eyelash serum that others rave about, but you don't notice much difference yourself? Or did your favorite serum work well for a long time, but now seems less effective? That doesn't necessarily have to be because of the product.

When an eyelash serum has no visible effect, it is often due to one of the following reasons:

  • Irregular or incorrect use
  • Unrealistic expectations
  • Quality or composition of the product
  • Incompatibility with your skin type

Want to know more? Read: Why isn't my eyelash serum working?

6.1 | What if your eyelash serum stops working?

Sometimes a serum that previously worked well loses its effectiveness over time. Possible causes for this include:

  • A genetic limit to eyelash growth
  • Your body adapts to the formula
  • The serum is past its expiration date

Stay consistent, check the expiration date, and be realistic in your expectations. Results come with time and discipline.

Want to know more? Read: Why is my eyelash serum no longer working?

7. | Conclusion: does eyelash serum really help?

Yes, a good eyelash serum really helps, provided it contains ingredients that are proven to be effective and you use it consistently. Don't expect miracles within a week, but give it eight to twelve weeks.

A carefully considered formula with clinically proven ingredients can strengthen and lengthen your natural eyelashes in a safe way.

Curious to find out how a scientifically proven formula can make a difference? Read more about Superlash and discover the effect for yourself.

8. | Frequently asked questions about eyelash serums

8.1 Does eyelash serum really work?

Yes. Serums containing prostaglandin analogues or peptides stimulate the growth phase of eyelashes, resulting in visibly longer hairs.

8.2 Which eyelash serum really works?

A serum with clinically proven active ingredients and a safe formula, such as Superlash.

8.3 Are eyelash serums safe for sensitive eyes?

Yes, provided it is hypoallergenic and free from irritants such as perfume or fragrances.

8.4 How long does it take for an eyelash serum to work?

On average, you will see results between four and eight weeks with daily use.

8.5 What happens if I stop using eyelash serum?

Your eyelashes slowly return to their natural length and thickness, and the effect gradually disappears.

Sources

[1] Baiyasi et al. Eyelash serums: A comprehensive review - J Cosmet Dermatol. 2024 Jul;23(7):2328-2344. doi: 10.1111/jocd.16278.Epub 2024 Mar 12.

Questions about which eyelash serum really works?

After reading this article, do you have any questions about which eyelash serum really works? Or perhaps some useful tips for us and other eyelash serum users? Don't hesitate to let us know!