How do Eyelash Serums Work?

(Last Updated On: June 28, 2019)

If you’ve ever craved longer lashes chances are you’ve already tried to get that look with glue on extensions, spent cash on mascaras that promise the world. Or maybe you’ve spent hours with asian eyelash curlers like me. Or even heated eyelash curlers.

The problem of course is that even if any of those tactics do make you happier with the way your lashes look they are both a very temporary solution, and difficult to keep on using without damaging or weakening your natural eyelashes. So is there anything else worth trying?

There are plenty of people who believe that eyelash serums have helped them achieve the long-lashed look they have been looking for, without expensive and time consuming treatments in salons or hours spent applying makeup daily. So let’s take a look at exactly how this is possible.

black jumper girl with long lashes

The life cycle of eyelashes

Just like the hair on your head your eyelashes are constantly growing and replacing themselves, and they do this through three different stages:


This is the first stage, where they are actively growing. It takes between 30 –45 days for this cycle to complete, and individual lashes stop when they reach their programmed maximum length. About 40% of your top lashes are in this stage at one time, along with about 15% of your lower lashes.


The middle stage, where your lashes are in transition. The tiny pinpoint hole where the eyelash sits, (the hair follicle), begins to shrink; some lashes may fall away early in this phase, others may fall out at other points in the two to three weeks this stage takes to complete.


The final stage, where they rest. The lashes left from the catagen phase go dormant for up to 100 days, falling out in stages as newer lashes line up to take their place. This three-stage system means you are not being left completely lashless at any point.

How do eyelash serums extend lash length?

They do this by nourishing the lashes and making them stronger. This is so they are less likely to fall out early or to break off. Simply by keeping more lashes in the second and third phases makes lashes look thicker and longer. Plus they shine and look healthier than they did. Serums can also help stimulate the hair follicles to encourage new growth.

Eyelash serum is not a quick fix

It takes some patience and dedication to a routine. Most serums need to be applied once or twice a day. After around 12 weeks, the difference will start to become obvious. To get the most from an eyelash serum it helps if you have a healthy diet and lifestyle.

This means eating protein and vitamin-rich food and always removing your makeup before sleeping. You should also avoid touching or rubbing your eyes unless it is necessary.

Why not give it a try?

There are lots of products available to try (for example, Xlash Eyelash Serum is a very good option), so it’s worth looking at some review sites or beauty blog recommendations to help you choose.



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