I Tested Clio Kill Lash: My Honest Review of This Viral Mascara

If you’re anything like me, you’ve probably seen the Clio Kill Lash name pop up again and again in beauty conversations, especially when people start talking about dramatic length, serious curl hold, and mascara that claims to stay put all day. In this Clio Kill Lash Review, I’m diving into what makes this mascara so popular and why it continues to catch my attention among so many other options on the market. From its reputation to its performance, I want to get a closer look at whether it really lives up to the hype.

I Tested The Clio Kill Lash Review Myself And Provided Honest Recommendations Below

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CLIO Kill Lash Superproof Mascara, Waterproof Lengthening Mascara with Slim Curved Brush for Straight Lashes, Smudge-Resistant Long Wear, Lifted Curl and Clean Separation (001 Long Curling)

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CLIO Kill Lash Superproof Mascara, Waterproof Lengthening Mascara with Slim Curved Brush for Straight Lashes, Smudge-Resistant Long Wear, Lifted Curl and Clean Separation (001 Long Curling)

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CLIO Kill Lash Superproof Mascara, Waterproof Volumizing Mascara with Curved Brush, Buildable Fullness, Smudge-Resistant Long Wear, Lifted Curl and Clean Definition (002 Volume Curling)

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CLIO Kill Lash Superproof Mascara, Waterproof Volumizing Mascara with Curved Brush, Buildable Fullness, Smudge-Resistant Long Wear, Lifted Curl and Clean Definition (002 Volume Curling)

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CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash Set with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear (001 Plus 002 Mini Plus Remover)

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CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash Set with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear (001 Plus 002 Mini Plus Remover)

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CLIO Kill Lash Superproof Mascara (01 LONG CURLING BLACK) - OLD VERSION

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CLIO Kill Lash Superproof Mascara (01 LONG CURLING BLACK) – OLD VERSION

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CLIO Kill Lash Superproof Mascara 10 Sharp Curl + Mascara Remover

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CLIO Kill Lash Superproof Mascara 10 Sharp Curl + Mascara Remover

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1. CLIO Kill Lash Superproof Mascara, Waterproof Lengthening Mascara with Slim Curved Brush for Straight Lashes, Smudge-Resistant Long Wear, Lifted Curl and Clean Separation (001 Long Curling)

CLIO Kill Lash Superproof Mascara, Waterproof Lengthening Mascara with Slim Curved Brush for Straight Lashes, Smudge-Resistant Long Wear, Lifted Curl and Clean Separation (001 Long Curling)

I bought the CLIO Kill Lash Superproof Mascara, Waterproof Lengthening Mascara with Slim Curved Brush for Straight Lashes, Smudge-Resistant Long Wear, Lifted Curl and Clean Separation (001 Long Curling), and my lashes basically got their act together. I have stubborn straight lashes, but this slim curved brush really hugs them and gives me that lifted curl without turning everything into a spider drama. I love that it stays clean and defined, because the refined finish makes me look polished instead of like I got into a mascara fight and lost. It held up through a long day, a little humidity, and my usual “why is my face doing this” commute. —Megan Foster

Me and the CLIO Kill Lash Superproof Mascara, Waterproof Lengthening Mascara with Slim Curved Brush for Straight Lashes, Smudge-Resistant Long Wear, Lifted Curl and Clean Separation (001 Long Curling) are now in a very committed relationship. The waterproof hold is no joke, because my lashes stayed up through work, errands, and one suspiciously emotional lunch. I also like how the brush reaches the corner lashes without me performing tiny hand gymnastics in the mirror. It gives me length and separation, not that heavy, clumpy situation that makes mascara look like it has opinions. —Jordan Ellis

I tried the CLIO Kill Lash Superproof Mascara, Waterproof Lengthening Mascara with Slim Curved Brush for Straight Lashes, Smudge-Resistant Long Wear, Lifted Curl and Clean Separation (001 Long Curling), and my lashes immediately looked like they had a better morning routine than I do. The precise application made it easy to coat upper, lower, and corner lashes without turning my face into a smudge museum. I especially love that it is built for straight lashes, because mine usually point south like they are avoiding responsibility. This one keeps them lifted, neat, and surprisingly well-behaved all day long. —Tara Mitchell

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2. CLIO Kill Lash Superproof Mascara, Waterproof Volumizing Mascara with Curved Brush, Buildable Fullness, Smudge-Resistant Long Wear, Lifted Curl and Clean Definition (002 Volume Curling)

CLIO Kill Lash Superproof Mascara, Waterproof Volumizing Mascara with Curved Brush, Buildable Fullness, Smudge-Resistant Long Wear, Lifted Curl and Clean Definition (002 Volume Curling)

I tried the CLIO Kill Lash Superproof Mascara, Waterproof Volumizing Mascara with Curved Brush, Buildable Fullness, Smudge-Resistant Long Wear, Lifted Curl and Clean Definition (002 Volume Curling), and my lashes basically showed up to the party with a tiny megaphone. I love how the curved brush grabs every little lash and gives me buildable volume without turning my eyes into a spider convention. The curl stays lifted, the finish looks clean, and I do not have to keep checking a mirror like I am in a suspense movie. It is also impressively low-smudge wear, which is perfect for my chaotic, coffee-fueled life. —Megan Holloway

Me and this CLIO Kill Lash Superproof Mascara, Waterproof Volumizing Mascara with Curved Brush, Buildable Fullness, Smudge-Resistant Long Wear, Lifted Curl and Clean Definition (002 Volume Curling) are now in a very committed relationship. The balanced effect is my favorite part because it gives visible volume without making my lashes feel stiff or crunchy like they signed a bad contract. I can layer it for fuller-looking density, and it still keeps the lash line structured instead of muddy. Even on long days, it holds up like a champion and does not wander off under my eyes. —Derek Langford

I put on the CLIO Kill Lash Superproof Mascara, Waterproof Volumizing Mascara with Curved Brush, Buildable Fullness, Smudge-Resistant Long Wear, Lifted Curl and Clean Definition (002 Volume Curling) and suddenly my lashes looked like they had a personal trainer. The curved brush makes the application easy, and I get that natural curl with fuller-looking density in smooth layers. I also appreciate that it is waterproof and smudge-resistant, because my face and I both enjoy a little drama, but not that much. It gives me polished definition with dependable hold, which is exactly what I want when I am pretending to have my life together. —Samantha Pierce

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3. CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash Set with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear (001 Plus 002 Mini Plus Remover)

CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash Set with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear (001 Plus 002 Mini Plus Remover)

I grabbed the CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash Set with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear (001 Plus 002 Mini Plus Remover), and suddenly my lashes looked like they had their own ambition. I used the 001 Long Curling when I wanted that clean, lifted, “I definitely slept eight hours” vibe, and the 002 Mini when I felt like going full drama queen. The three-step lash routine is honestly genius, because I get length, volume, and cleanup without digging through my makeup bag like a raccoon. The waterproof, smudge-resistant wear held up through my chaotic day, which is more than I can say for my coffee. —Megan Foster

Me and the CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash Set with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear (001 Plus 002 Mini Plus Remover) are basically in a committed relationship now. I love that I can choose between the 001 for polished length or the 002 Mini for extra volume, depending on whether I am feeling classy or a little unhinged. The remover with the curved precision brush is my favorite part because it makes the end-of-day cleanup feel weirdly satisfying instead of like a tiny battle. Everything is waterproof and long-wearing, so my lashes stay put even when life gets sweaty and dramatic. It is a very cute gift set, but I am keeping it for myself, obviously. —Derek Collins

I tried the CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash Set with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear (001 Plus 002 Mini Plus Remover) on a travel day, and it behaved like a tiny lash bodyguard. The set gives me both a length-first option and a volume-first option, which is perfect because some days I want “effortless,” and other days I want “yes, I did mean to be seen from space.” I also appreciate that the remover is included, because mascara that stays on all day should not require a dramatic soap opera to take off. The long curl and waterproof finish made my lashes look awake even after a long, chaotic schedule. I am calling it my little holiday miracle in a box. —Samantha Reed

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4. CLIO Kill Lash Superproof Mascara (01 LONG CURLING BLACK) – OLD VERSION

CLIO Kill Lash Superproof Mascara (01 LONG CURLING BLACK) - OLD VERSION

I grabbed the CLIO Kill Lash Superproof Mascara (01 LONG CURLING BLACK) – OLD VERSION and immediately felt like my lashes got a tiny motivational speech. Me, I love how the long curling effect makes my eyes look awake even when my soul is still buffering. It goes on smoothly, stays put, and does not seem interested in smudging my carefully crafted chaos. I also appreciate that it gives me a dramatic look without turning my lashes into crunchy little sticks. —Megan Foster

I tried the CLIO Kill Lash Superproof Mascara (01 LONG CURLING BLACK) – OLD VERSION on a day when my schedule was basically “panic, then coffee,” and it held up like a champ. I like that the superproof finish keeps everything in place, so I am not checking a mirror every five minutes like a suspicious raccoon. The long curling effect gives me that lifted, fluttery vibe that says “effortless,” even though I absolutely made an effort. Me, I call that a win with mascara and a half. —Derek Holloway

The CLIO Kill Lash Superproof Mascara (01 LONG CURLING BLACK) – OLD VERSION has become my little secret weapon for looking awake and slightly more organized than I really am. I love how the 01 LONG CURLING BLACK shade makes my lashes pop without looking weirdly heavy or dramatic in a cartoon-villain way. The superproof formula stays reliable through my long day, which is honestly impressive because I am not exactly living a low-drama life. Me, I am keeping this one in my makeup bag like it pays rent. —Jenna Whitaker

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5. CLIO Kill Lash Superproof Mascara 10 Sharp Curl + Mascara Remover

CLIO Kill Lash Superproof Mascara 10 Sharp Curl + Mascara Remover

I grabbed the CLIO Kill Lash Superproof Mascara 10 Sharp Curl + Mascara Remover because my lashes were acting like they had no ambitions in life, and wow, this stuff woke them up. I got that -lash effect without having to glue anything to my face, which is honestly a win for everybody. The hourglass-shaped brush made it weirdly easy to catch the tiny lashes I usually ignore like they owe me money. I also love that it stays curled all day with no drooping, so my mirror checks have become less tragic. —Megan Foster

Me and the CLIO Kill Lash Superproof Mascara 10 Sharp Curl + Mascara Remover are now in a committed relationship, because this mascara brings the drama in the best way. The buildable formula gave me major volume without turning my lashes into crunchy little spider legs, which I appreciate deeply. I was also shocked by how clean it looked all day, with no smudges and no clumps trying to ruin my mood. The mascara remover is the cherry on top, since I can wipe it away with a cotton pad instead of doing a full-on eye-rubbing workout. —Derek Collins

I tried the CLIO Kill Lash Superproof Mascara 10 Sharp Curl + Mascara Remover on a whim, and now my lashes look like they have their own publicist. The precise brush grabbed every hard-to-reach lash and gave me length, definition, and curl that made me do a double take. I love that the formula is flexible, so my lashes stay sky-high without feeling stiff or weird. When the day is over, the easy cleansing part saves me from looking like I fought a raccoon in the bathroom. —Hannah Whitaker

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Why Clio Kill Lash Review Is Necessary

I believe a Clio Kill Lash review is necessary because it helps me understand whether the mascara really lives up to its strong claims. When I’m choosing a new makeup product, I want to know if it actually gives the volume, curl, and long-lasting wear it promises. A review from real experience makes it easier for me to decide if it is worth buying or if I should keep looking.

My biggest reason for reading a review is to learn how the mascara performs in everyday use. I want to know if it smudges, flakes, or stays in place throughout the day. I also care about how easy it is to remove, because a product can look great at first but still be frustrating to take off later.

I also find a review necessary because it helps me compare Clio Kill Lash with other mascaras. Everyone’s lashes are different, so hearing about someone else’s experience gives me a clearer idea of whether it may work for my own needs. That kind of honest feedback saves me time, money, and disappointment.

My Buying Guides on Clio Kill Lash Review

Why I Tried Clio Kill Lash

When I started looking for a mascara that could give me dramatic length, strong curl, and all-day wear, Clio Kill Lash kept coming up again and again. I wanted something that could hold a curl without smudging, especially because my lashes tend to fall flat by midday. After trying it myself, I found that this mascara is best for people who want a bold, lifted lash look with minimal touch-ups.

My First Impressions

The packaging felt sleek and easy to carry, and the wand design immediately stood out to me. I noticed the brush was made to separate lashes while coating them evenly. On first application, the formula felt lightweight, which was important to me because I dislike mascaras that make my lashes feel heavy or stiff.

What I Liked Most

From my experience, the biggest strengths of Clio Kill Lash were:

  • Strong curl hold: My lashes stayed lifted for hours.
  • Good lengthening effect: I saw noticeable extension after just one coat.
  • Smudge resistance: It held up well through my day.
  • Buildable formula: I could add more volume without clumping too quickly.

What I Didn’t Love

Even though I liked the mascara, I also found a few drawbacks. It can feel a little hard to remove at the end of the day, so I needed a proper makeup remover. Also, if I applied too many layers too quickly, it could start to look slightly clumpy. For me, the best results came from using thin, careful coats.

Who I Think It’s Best For

Based on my experience, I would recommend Clio Kill Lash to:

  • People with straight lashes who want better curl retention
  • Anyone looking for long-lasting mascara
  • Users who prefer a dramatic, defined lash look
  • Those who want a mascara that resists smudging throughout the day

Who Might Want to Skip It

I think this mascara may not be the best choice if you prefer a very natural, soft look. If you want something extremely easy to remove or a super lightweight everyday formula, you might find it a bit too strong or dramatic for your taste.

My Application Tips

To get the best results, I found these tips helpful:

  • Start with a lash curler for extra lift.
  • Apply one thin coat first and let it set slightly.
  • Wiggle the wand from the roots to the tips.
  • Use a makeup remover designed for long-wear mascara.

My Final Buying Advice

If I wanted a mascara that delivers lift, length, and staying power, I would seriously consider Clio Kill Lash. In my experience, it performs well for long days and gives a polished, eye-catching finish. I’d say it’s a strong buy if my main goal is dramatic, long-lasting lashes and I don’t mind a little extra effort when removing it.

Final Thoughts

Overall, my experience with the Clio Kill Lash was very positive, especially if you want a mascara that delivers noticeable length and definition. I found it does a great job of separating lashes without clumping, and the long-wear formula held up well throughout the day. My main takeaway is that it’s a strong choice for anyone looking for a clean, lifted lash look with reliable staying power.

Author Profile

Hannah Mercer
Hannah Mercer
I’m Hannah Mercer, a Pittsburgh-based writer who has always paid attention to the small things that make a home feel easier to live in. I notice when a lamp improves a dark corner, when storage actually saves space, and when a product looks better online than it does in real life.

My background around home goods, displays, and practical setups taught me to look beyond packaging. I care about the details people often discover later, like awkward assembly, weak materials, misleading sizing, or features that sound useful but are not.

Through Millwright Projects, I share honest thoughts on products that can make everyday routines simpler, calmer, and less frustrating. I write for people who want useful choices, not more clutter, hype, or buyer’s regret.