This Pronexa hair serum is only $25 on Amazon

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Nearly 29,000 reviewers love how this serum grows eyelashes and eyebrows. (Photo: Amazon)

News flash: it’s not mascara that Amazon shoppers swear by for longer, fuller lashes, this is a top-notch eyelash serum. With over 31,000 reviews, Pronexa Lavish Hairgenics Lavish Serum ($25) is one of Amazon’s best-selling beauty products. Who knew?!

According to the brand, the botanical serum dramatically increases the length and thickness of eyebrows and eyelashes in 60 days. Using a blend of botanically-derived ingredients including peptides and biotin to better penetrate the hair follicle and stimulate growth, the Lavish Lash formula strengthens lashes and brows for thickness that lasts.

For only $25, you can’t go wrong! If you have Amazon Premier, you will also get free shipping on your order. Not a member yet? No problem. You can sign up for your 30 day free trial here. (And by the way, those who don’t have one First always get free shipping on orders of $25 or more.)

Close-up of woman's eye with thick, full eyelashes. (Photo: Amazon) — According to the brand, it only takes 60 days and $25 to restore lashes and brows to their former glory. (Photo: Amazon)

$25 at Amazon

Lavish Lash is hypoallergenic, clinically tested, and made by FDA-certified labs, according to the brand. The instructions say to use the serum once a day, at night, and even has a money back guarantee. In addition to growth, you will also notice increased shine and luster for your eyebrows and eyelashes.

Here’s what the critics are saying

A buyer who praises its affordable price: “For those of you looking for a more affordable lash and brow serum, this won’t disappoint. I used Lash Boost with [Rodan + Fields] for over a year now, but I really couldn’t afford it anymore… I’ve been using Lavish Lashes for about three weeks now and have had amazing results! I begin [to] see my bald spots on my [lash] the line is growing… I don’t usually leave reviews, but I know [how] I was skeptical about trying this product and I’m here to tell you it’s worth it.

A buyer who calls it a life-changing “miracle” product: “Not to be dramatic, but this product has literally changed my life. I was in tears because I had been steadily losing my eyelashes for about six months due to my stored iron level being at two (which is really, really bad),” says one reviewer. “I’ve gone from huge gaps in my lashes where the hairs had completely fallen out to lashes to spare, not to mention the length has increased dramatically since using this product. Can’t recommend this enough.”

Two close-ups of a woman's eye with thick, full eyelashes. (Photo: Amazon) — This serum is a bestseller on Amazon for its ability to restore eyelashes and eyebrows. (Photo: Amazon)

A buyer who compares it to Rodan + Fields: “I used this product for two months and saw the same results as my sister-in-law who uses Rodan and Fields. It’s as good as the reviews claim. I love the $100 savings with luscious lashes and have already purchased two more for myself and my daughter.

A buyer with alopecia: “I am so happy to have found this product as I have suffered from alopecia for six years and have to wear wigs and my lashes were very thin. Now with the use of Lavish Lash they are really growing and becoming much more I couldn’t be happier! Buy this product!”

A buyer with thyroid disease: “I was a bit [skeptical] that anything could help regrow thin eyelashes and eyebrows at my age, 63. Having had low thyroid function since my thirties, my eyebrows had thinned considerably and were beginning to turn gray,” says one proponent of the product. “After four months of continuous use, I could get by without wearing mascara. However, I still use eye makeup and get lots of compliments on my eyes and lashes.

$25 at Amazon

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