'My lashes look healthier and thicker': Amazon's bestselling eyelash serum is just $18

Kate Mendonca
·Shopping Editor
·4 min read

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Ecla Skin Care Organic Cold Pressed Castor Oil.
Ecla Skin Care Organic Cold Pressed Castor Oil.

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Achieving long and full lashes often requires a trip to the aesthetician, or at the very least a stop at the drugstore for a pair of faux eyelashes and mascara.

While those certainly get the job done, you can end up stunting the hair growth of your natural eyelashes with overuse, which only continues the cycle of reaching for falsies in order to get a dramatic eye look.

Instead of faking it, the other alternative is to strengthen and lengthen your natural lashes with the help of an eyelash serum. If you’re looking to give one a try, one bestselling serum is conveniently available to shop on Amazon, and is backed by thousands of reviews from happy customers.

Ecla Skin Care Organic Cold Pressed Castor Oil

Ecla Skin Care Organic Cold Pressed Castor Oil. Image via Amazon.
Ecla Skin Care Organic Cold Pressed Castor Oil. Image via Amazon.

SHOP IT: Amazon, $18

What is it?

The Ecla Skin Care Organic Cold Pressed Castor Oil is currently Amazon’s number one best-selling eye treatment, and with reviews from more than 2,500 shoppers, it’s easy to see why.

From just one ingredient (cold pressed castor oil), this multipurpose oil can be used to strengthen and encourage hair growth wherever needed. It can be used for brows, lashes, beards, and on the scalp - basically anywhere you’re looking to promote fuller-looking hair.

Though there’s no proof that castor oil encourages hair grown, studies have shown that it may reverse hair loss due to its high concentration of ricinoleic acid—a type of fatty acid found to fight inflammation.

In order to get the best results, it’s recommended that you consistently use castor oil daily on clean and dry lashes before bed. Apply the oil to lashes by placing a small amount of castor oil onto a cotton swab or brow comb, then gently sweep it into your lash line, making sure that none of the oil gets into your eye. In the morning, simply wash off the castor oil with water or a washcloth, and with a little patience you’ll begin to see longer and stronger lashes.

What shoppers are saying

Earning an impressive 4.5 star rating on more than 2,500 reviews, this affordable eyelash serum has become a go-to product for many shoppers.

One reviewer praised its gentle and effective formula, and even shared a before and after photo of their lashes for reference.

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“This product is very gentle on skin and doesn’t burn my eyes at all compared to other similar products that I’ve tried,” they wrote. “It’s an oil so it’s thicker but I find it easier to apply. My hair and lashes look healthier than before.”

Before (left) and after using the Ecla Skin Care Organic Cold Pressed Castor Oil. Images courtesy of Amazon user Burn.
Before (left) and after using the Ecla Skin Care Organic Cold Pressed Castor Oil. Images courtesy of Amazon user Burn.

“Ive been using this oil for months now and I've noticed a huge difference in the size of my eyelashes,” shared another. “They are so much longer and fuller than they were...Need to buy another batch soon!”

Some reviewers noted that the oil is on the heavier side and does not fully absorb into skin or hair, which can be a little messy if you’re not cautious when applying it.

“Really enjoying this product. My lashes look healthier and thicker,” noted one reviewer. “It is VERY thick oil, however, and a little will go a long way. I find it a little messy and difficult to apply the right amount, but it does not sting or hurt if you get any in your eye.”

The verdict

If you’re looking to improve the health of your eyelashes or brows, then adding castor oil into your beauty routine may be one way to achieve fuller locks. This bottle of pure castor oil is an affordable way to test out the trend without breaking the bank. It also comes with four convenient brushes to make application a breeze, making it possible for any level of experience to use.

While it’s not a guaranteed solution to thinning hair, it’s certainly worth testing out if you’re after thicker, fuller brows and lashes.

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The reviews quoted above reflect the most recent versions at the time of publication.