These 3 On-Sale Growth Serums Doubled the Length of Our Short Lashes

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Shop our favorite lash serums for less during Amazon’s Prime Big Deal Days.

<p>Amazon / InStyle</p>

Amazon / InStyle

I have discouragingly short lashes, courtesy of my mother’s Japanese genetics. It’s a fact I grew up accepting as part of my life. I’ve always pettily thought to myself, what good do long lashes do, anyway? But when I heard that InStyle’s testing lab was calling in 30 lash serums to find the very best tubes that actually work, my ears perked up curiously. After a long five-week testing period, I was eager to dive into the results and find the best lash serums that our own editors have tried and attested to; I needed to know which lash serum would work some magic for me.

As I dissected the feedback left by each tester, a few lash serums jumped out at me, including RevitaLash’s Advanced Eyelash Conditioner, our best splurge pick that had people asking us where our lash extensions were from. Some other standouts included the RapidLash Eyelash Enhancing Serum for its intense volumizing capabilities, and Maybelline New York’s Lash Sensational Boosting Serum for filling loose gaps to create a fuller look.

The best part — other than the amazing, lash-strengthening results these serums provide? They’re all on sale during Amazon’s October Prime Day.

Best Eyelash Growth Serum Deals

RevitaLash Advanced Eyelash Conditioner

<p>Amazon</p>

Amazon

$100

$70

This serum was our best splurge pick, so we’re extra excited to see it discounted for 30 percent off at Amazon right now. This magical wand doubled, yes, doubled our lash length, working at twice the speed as the other serums. Friends began asking where our lash extensions were from, not knowing that they were in fact our real hairs. The soft brush felt smooth and comfortable on the hairline, never dripping or irritating our eyes. Instead, it was almost like treating our lashes to a comfortable spa, and the rewards were splendid.

Maybelline New York Lash Sensational Boosting Serum

<p>Amazon</p>

Amazon

$14

$11

You would think that lash serums need to be pricey, but this already affordable serum is even more budget-friendly now with its Prime Day discount. We found the Maybelline Boosting Serum to be best for anyone looking to fill loose gaps between each hair. Years of using eyelash curlers, lash extensions, and excessive mascara had left our lashes looking bare, and this tube impressively brought the fullness back. When we looked into the mirror, we were delighted to find a natural set of healthy hairs, healed from any past trauma.

RapidLash Eyelash Enhancing Serum

<p>Amazon</p>

Amazon

$46

$35

This lash serum had us batting our new set of longer, stronger, and fuller lashes like baby butterflies learning to fly. The results came in fast, with testers noticing the first signs of increased length in just two to three weeks. Each individual hair looked healthier and thicker, revealing less breakage or shedding throughout. The entire application process also felt easy and comfortable, thanks to the thin applicator brush. No formula ever dripped into our eyes or caused any irritation, making it an all around pleasant experience as we watched our wings (err, hairs) grow. 

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