With enough use, many people have even sworn off lash extension appointments altogether.

There are some lash serum side effects to be aware of.

Heres everything you should know before making a purchase.

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How do lash serums work?

(Kind of like whatconditioner does for your hair.)

Bimatoprost is the active ingredient in Latisse, while latanoprost, another prostaglandin, is whats used in RevitaLash.

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celebrity lash expert and founder of Envious Lashes

(Read up on ourRevitaLash reviewhere.)

But what are prostaglandins, exactly, and what harm can they potentially cause?

This discovery led to the development of lash serum products.

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The only group that works is the prostaglandin agonists, and they come with these risks, he says.

(At least as well as prostaglandin-based options.)

But the ingredientsdocome with benefits.

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So, whos most at risk of experiencing side effects of lash serums?

However, some people are more at risk than others.

These risks can be mitigated by verifying with [your] doctor first, says Yoo.

Black hair woman wearing a grey and white bra giving herself a deep cleansing session with a face brush and Gatineau skincare face wash lotion, after her shower. Studio skincare portrait over isolated background.

celebrity lash expert and founder of Envious Lashes

Patients should also undergo eye exams to ensure optimum ocular health and decrease risks.

Studies confirm some patients have experienced orbital fat loss after using bimatoprost with prolonged usage, says Yoo.

Red itchy eyes

Another potential issue to keep in mind is eye irritation from lash serums.

A curvy woman applying cleansing balms and smiling to her reflection in the mirror.

If that doesnt work, Dr. Hirsch the irritation much improves by stopping the use of the serum.

Thats where the eye color change can happen, not really with topical utility.

Choose a moisturizing serum or conditioner

There are lash serum options available that dont contain prostaglandins.

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Thats why she recommends using aneyelash conditioner, as it contains ingredients that moisturize and strengthen your lashes.

Sodo eyelashes grow back, even when theyre feeling especially sparse?

The answer is yeswith a little TLC.

TryVEGAMOUR GRO Lash Serum($68) orThe Ordinary Multi-Peptide Lash and Brow Serum($15).

Choose the right mascara

Is thinning one of your lash health concerns?

They can help with not only eyelash repair, but skin and hair as well.

), you’ve got the option to apply it to your lash line using a cotton swab.

Simply leave it on overnight then rinse it off in the morning.

Frequently asked questions about lash serums

Do lash serums have side effects?

Yes, there are lash serum side effects to be aware of.

The main lash serum risks come from using prostaglandin-based products.

Is lash serum FDA-approved?

Currently, the only lash serum that is FDA-approved is Latisse.

Anyone who wishes to try it must get a prescription from their doctor.

With that being said, that doesnt mean over-the-counter lash serums havent been tested.

What should you avoid in lash serums?

What should be avoided in lash serums is different for everyone.

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