How long do eyelash extensions last?

hair growth cycle

How long do eyelash extensions last?

I get this question a lot, and if you do a little research you will see that many eyelash technicians have a different answer. I have seen many lashers state that their extensions can last 12 weeks ! This is not going to happen.
I mean, I know exactly where they get this “12 weeks” answer from but they are confused.
To totally understand how long your lash extensions can last you must first understand the hair growth cycle.

hair growth cycle

All of the hair on our body goes through this growth cycle. The entire process for our eyelashes takes about 12 weeks, this is where I think some technicians get their (wrong) answer from.


One of the most important things when doing eyelash extensions (I believe) is not damaging the natural lash. We want those lashes to grow thick and healthy and to do this it is important not to apply any lash extensions to eyelashes in the anagen phase.
Anagen
The anagen stage is the first stage in the growth cycle. The hair is being nourished by the blood supply and is growing. It is finer during this stage and delicate so it is important that we do not apply extensions to these lashes, and we air until they are stronger. This stage can last for 30-45 days.
So if you have your extension applied and can see some finer lashes don’t have an extension attached this is why. Applying an extension to every single lash can be very damaging and cause breakage.

Catagen
The Catagen stage is the transition phase. During this stage the hair detaches from it’s blood supply. These hairs are stronger and perfect for applying eyelash extensions to. Catagen lasts about 2-3 weeks.

Telogen
This is the resting phase where the hair will then die and fall out with the extension attached.

So how long do they last?

Well if you take into account the growth cycle, when eyelash extensions are applied correctly they could last for 4-6 weeks. This does not mean that in 5 weeks time they will be looking just as great as the first day you had them applied. Like the hair on our head the lashes are going through this cycle at all different times.
Therefor the natural lashes will all be falling out at different times too, so you will have some eyelashes left but not all of them.

I recommend my clients come back for an infill every 2-3 weeks to keep them looking nice and full. Usually at the 2 week mark the hairs in the “anagen” stage that were too delicate to apply lashes to are now thicker and stronger and in the “catagen” stage and ready to be lashed.
The hairs that were in the catagen stage at the last visit are probably now in the Telogen stage and starting to fall out.

So although we can say that eyelash extensions can last 4-6 weeks, they won’t be looking great at the end of this period. You will have lost a lot of lashes by then. To keep them looking full and fluffy have them infilled every 2-3 weeks.

I hope this helped answer any questions !

Author Info

Meredith Shepherd

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