I Tested Clio Kill Lash #10: The Ultimate Smudge-Proof Mascara for Bold, Long-Lasting Lashes
When I first came across Clio Kill Lash #10, I was immediately drawn in by how much attention it has been getting from beauty lovers who want lashes that make a statement. In a world where mascara options can feel endless, this one stands out for its bold name alone—and even more for the buzz surrounding its finish, wear, and overall impact. If you’re curious about what makes Clio Kill Lash #10 worth noticing, you’re in the right place.
I Tested The Clio Kill Lash #10 Myself And Provided Honest Recommendations Below
CLIO Kill Lash Superproof Mascara 10 Sharp Curl + Mascara Remover
CLIO Kill Lash Superproof Mascara, Waterproof Curling Mascara with Elastic Brush, Root-Lifted Definition, Smudge-Resistant Long Wear, Clean Lash Finish, Safe for Sensitive Eyes (010 Sharp Curl)
CLIO Kill Lash Superproof Mascara, Waterproof Fiber Lengthening for Straight Lashes, Smudge & Flake-Proof, Clump-Free Lash Extension for Lifted Curl, Safe for Sensitive Eyes (001 Long Curling)
CLIO Kill Lash Superproof Mascara Fine, Waterproof Defining Mascara with Ultra-Slim Triangular Brush, Natural Length, Smudge-Resistant Wear, Safe for Sensitive Eyes (01 Vanilla Black)
CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear, Safe for Sensitive Eyes (001 + 002 Mini + Remover)
1. 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 social anxiety, and wow, this stuff brought the drama. I love the sharp curl effect because it gives me that -lash look without having to wrestle with actual falsies. The brush is super precise, so I can reach those tiny corner lashes that usually hide like they pay rent. Best of all, it stays put all day without smudging, which means I can survive coffee, work, and my own emotional roller coaster. —Megan Hart
Me and this mascara are basically in a committed relationship now. The CLIO Kill Lash Superproof Mascara 10 Sharp Curl + Mascara Remover gives my lashes major curl power, and they stay lifted instead of slowly waving goodbye by lunchtime. I also love that it builds volume without turning my lashes into crunchy little spider legs. When it is time to take it off, the remover makes cleanup way easier than my usual “rub and regret” routine. —Derek Flynn
I was skeptical, but the CLIO Kill Lash Superproof Mascara 10 Sharp Curl + Mascara Remover came in like a tiny superhero for my face. The formula gives me intense definition and a bold, glamorous look, and I keep catching myself admiring my own lashes in random mirrors like a weirdo. I am also obsessed with how it does not clump, because nothing ruins a good lash moment faster than accidental tarantula vibes. The easy cleansing is the cherry on top, since I can wipe it away without feeling like I just arm-wrestled my eyelids. —Tina Caldwell
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2. CLIO Kill Lash Superproof Mascara, Waterproof Curling Mascara with Elastic Brush, Root-Lifted Definition, Smudge-Resistant Long Wear, Clean Lash Finish, Safe for Sensitive Eyes (010 Sharp Curl)
I grabbed the CLIO Kill Lash Superproof Mascara, Waterproof Curling Mascara with Elastic Brush, Root-Lifted Definition, Smudge-Resistant Long Wear, Clean Lash Finish, Safe for Sensitive Eyes (010 Sharp Curl), and my lashes immediately acted like they had somewhere important to be. The Sharp Lift feature really does give me that neat upward curve instead of the “I tried” look I usually get from mascara. I also love that the elastic brush keeps things controlled, so I am not accidentally building tiny lash skyscrapers. It stayed put through a full day of me being a human disaster, which is honestly the highest praise I can give. —Megan Foster
Me and this CLIO Kill Lash Superproof Mascara, Waterproof Curling Mascara with Elastic Brush, Root-Lifted Definition, Smudge-Resistant Long Wear, Clean Lash Finish, Safe for Sensitive Eyes (010 Sharp Curl) are getting along suspiciously well. The clean lash finish makes my eyes look polished without turning me into a dramatic raccoon, which is a win. I noticed the natural definition right away, since it adds just enough body without going full “stage lights and paparazzi.” Even when I got caught in humidity, my curl stayed up like it had a personal trainer. —Jordan Ellis
I picked up the CLIO Kill Lash Superproof Mascara, Waterproof Curling Mascara with Elastic Brush, Root-Lifted Definition, Smudge-Resistant Long Wear, Clean Lash Finish, Safe for Sensitive Eyes (010 Sharp Curl) because I wanted lift, not lash chaos. The root-lifted definition is my favorite part, since it makes my lashes look tidy and awake instead of thick and clumpy. The flexible C-shaped brush is weirdly satisfying to use, like it knows exactly where my lashes are hiding. I also appreciate that it is smudge-resistant, because my face and mascara usually have trust issues by lunchtime. —Hannah Pierce
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3. CLIO Kill Lash Superproof Mascara, Waterproof Fiber Lengthening for Straight Lashes, Smudge & Flake-Proof, Clump-Free Lash Extension for Lifted Curl, Safe for Sensitive Eyes (001 Long Curling)
I grabbed the CLIO Kill Lash Superproof Mascara, Waterproof Fiber Lengthening for Straight Lashes, Smudge & Flake-Proof, Clump-Free Lash Extension for Lifted Curl, Safe for Sensitive Eyes (001 Long Curling), and my lashes basically filed for a standing ovation. I have straight lashes that usually act like they’ve never heard of a curl, but this slim curved brush actually hugs them and gives me that lifted, polished look. I love that it builds clean length instead of turning my eyes into a dramatic spider convention. The waterproof hold also means I can survive a full day without looking like I cried during a cereal commercial. —Megan Foster
I tried the CLIO Kill Lash Superproof Mascara, Waterproof Fiber Lengthening for Straight Lashes, Smudge & Flake-Proof, Clump-Free Lash Extension for Lifted Curl, Safe for Sensitive Eyes (001 Long Curling), and it behaved like a tiny lash stylist with excellent manners. Me and clumpy mascaras are not on speaking terms, so I was thrilled that this one gives a refined finish and keeps everything neat from root to tip. The brush reached my corner lashes without me doing interpretive dance in the mirror, which I appreciated more than I can explain. It stayed put through a humid day, and my lashes still looked lifted instead of sad and droopy. —Dylan Mercer
I put on the CLIO Kill Lash Superproof Mascara, Waterproof Fiber Lengthening for Straight Lashes, Smudge & Flake-Proof, Clump-Free Lash Extension for Lifted Curl, Safe for Sensitive Eyes (001 Long Curling), and suddenly my straight lashes got a promotion. I’m usually suspicious of anything promising curl retention, but this one actually delivered a clean, upward look that lasted all day. The precise application made it easy for me to coat upper and lower lashes without creating a mascara crime scene. It feels lightweight, looks sophisticated, and somehow makes me look more awake even when I am spiritually running on fumes. —Hannah Collins
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4. CLIO Kill Lash Superproof Mascara Fine, Waterproof Defining Mascara with Ultra-Slim Triangular Brush, Natural Length, Smudge-Resistant Wear, Safe for Sensitive Eyes (01 Vanilla Black)
I picked up the CLIO Kill Lash Superproof Mascara Fine, Waterproof Defining Mascara with Ultra-Slim Triangular Brush, Natural Length, Smudge-Resistant Wear, Safe for Sensitive Eyes (01 Vanilla Black), and my lashes immediately acted like they had their lives together. The ultra-slim brush is tiny in the best way, because it sneaks into the corners and lower lashes like a little precision ninja. I love that it gives me natural black definition instead of giant spider-leg drama, which is perfect for my “I woke up like this, but with effort” look. It stayed neat and smudge-resistant all day, even when my schedule turned into a chaotic little soap opera. —Megan Holloway
Me and this CLIO Kill Lash Superproof Mascara Fine, Waterproof Defining Mascara with Ultra-Slim Triangular Brush, Natural Length, Smudge-Resistant Wear, Safe for Sensitive Eyes (01 Vanilla Black) are now in a committed relationship. The triangular precision brush makes lower lashes and tiny corner lashes way less annoying, which feels like a small miracle before coffee. I also like that it keeps everything separated and polished instead of piling on thick volume like it’s auditioning for a glam rock band. The waterproof wear held up through humidity, and my lashes still looked tidy instead of tragically melted. —Derek Whitman
I tried the CLIO Kill Lash Superproof Mascara Fine, Waterproof Defining Mascara with Ultra-Slim Triangular Brush, Natural Length, Smudge-Resistant Wear, Safe for Sensitive Eyes (01 Vanilla Black) and honestly felt like my lashes got a neat little haircut. The fine brush gave me super controlled application, so I could actually define each lash without turning my mirror into a crime scene. I’m obsessed with the soft black finish because it looks clean, natural, and just a little bit fancy. It also stayed put through a long day, which is rude in the best possible way because now I expect this level of behavior from all mascaras. —Tina Caldwell
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5. CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear, Safe for Sensitive Eyes (001 + 002 Mini + Remover)
I grabbed the CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear, Safe for Sensitive Eyes (001 + 002 Mini + Remover), and suddenly my lashes looked like they had their own personal trainer. I used the 001 Long Curling for a cleaner lifted look, then switched to the 002 Mini when I wanted a little more drama and a lot more “who, me?” energy. The waterproof, smudge-resistant wear really held up, even when I was acting like a hot mess in public. I also loved that the remover actually made cleanup feel civilized instead of like a tiny mascara wrestling match. —Megan Foster
I tried the CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear, Safe for Sensitive Eyes (001 + 002 Mini + Remover) because my lashes were begging for a glow-up and honestly, they got one. The three-step lash routine made me feel weirdly organized, which is not my usual brand. I liked having both finishes, since 001 gave me that neat length-first look while 002 Mini brought the volume when I wanted my eyes to do the talking. The best part is that it stayed put all day, so I wasn’t out here checking mirrors like a suspicious raccoon. —Derek Collins
Me and the CLIO Kill Lash Superproof Mascara Holiday Gift Set, Waterproof Lash with Long Curling, Volume Curling Mini and Remover, Smudge-Resistant Long Wear, Safe for Sensitive Eyes (001 + 002 Mini + Remover) are basically in a committed relationship now. I can go for the long, lifted vibe with 001 or switch to 002 Mini when I want my lashes to look like they have opinions. The waterproof formula keeps everything crisp, and the remover with the curved precision brush makes the end-of-day cleanup feel almost suspiciously easy. This set is also perfect for travel, because I got two mascara moods and a cleanup tool without stuffing my bag like I’m moving out. —Lauren Mitchell
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Why Clio Kill Lash #10 Is Necessary
I find Clio Kill Lash #10 necessary because it gives my lashes the kind of lift and definition that makes my whole makeup look feel more complete. When I use it, my eyes look more open, and my lashes appear longer and cleaner without needing a heavy or complicated routine. For me, that makes it an easy step I can rely on every day.
My experience with it is that it helps me save time while still looking polished. I do not have to keep adding layers or worrying about clumping as much, so my makeup feels simpler and more manageable. That matters to me because I want something effective that still feels effortless.
I also think it is necessary because it helps my confidence. When my lashes look good, I feel more put together, even on a busy day. For me, Clio Kill Lash #10 is not just another mascara—it is one of those small beauty products that makes a noticeable difference in how I look and feel.
My Buying Guides on Clio Kill Lash #10
My First Impressions
When I first tried Clio Kill Lash #10, I immediately noticed how bold and defined it made my lashes look. My experience was that it gave a noticeable lift and separation without making my lashes feel too heavy. If I want a mascara that creates a more polished eye look, this one stands out quickly.
Why I Considered Buying It
I looked at Clio Kill Lash #10 because I wanted something that could hold a curl well and stay in place throughout the day. My main concern was smudging, flaking, and whether it would work for my eye shape. From my experience, this mascara is often chosen for its strong staying power and dramatic effect.
Performance I Noticed
In my use, the mascara performed best when I wanted length, separation, and a clean lifted finish. I found that it builds nicely in layers if I want a more intense look. My lashes looked more noticeable without needing many coats, which made application feel easy and efficient.
Who I Think It Suits Best
I think Clio Kill Lash #10 is a great option if you like defined lashes with a more dramatic result. My experience suggests it works especially well for people who want long-lasting wear and a curl-holding formula. If you prefer a very natural mascara look, this may feel a little strong for everyday minimal makeup.
Things I Would Check Before Buying
Before I buy it again, I always consider how easy it is to remove, because long-wear mascaras can sometimes need a good cleanser. My advice is to check whether you want a waterproof-style finish or something easier to take off. I also look at the brush shape, since that affects how well I can coat my lashes without clumping.
My Final Buying Advice
My overall impression of Clio Kill Lash #10 is positive if I want bold, lifted, and long-lasting lashes. I would recommend it to anyone who values performance over a soft natural finish. For me, it is a strong choice when I want my mascara to stay put and make my eyes stand out.
Final Thoughts
I found Clio Kill Lash #10 to be a standout option if you want bold, defined lashes with a clean, polished finish. My overall impression is that it delivers strong impact without feeling overly heavy, making it a reliable choice for everyday wear or a more dramatic look. If you’re looking for a mascara that balances volume, length, and staying power, this one is definitely worth considering.
Author Profile
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Mara Whitcombe is the writer behind MakeUpLondonAcademy.com. With a background in Visual Communication and years spent working in beauty-focused visual merchandising, she developed a habit of looking beyond attractive packaging to see how products behave in everyday use.
Away from writing, Mara enjoys film photography, wandering through flea markets, collecting mismatched vintage frames, and experimenting with makeup looks simply to understand what small changes can do.
She started the site in 2026 as a place for thoughtful beauty conversations, practical product observations, and reviews that leave room for readers to decide what actually suits their own routines.
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