IT Cosmetics TIGHTLINE Waterproof Black Mascara Primer Duo

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If Sold Separately: $48.00

or 6 Easy Pays of $5.50

+ S&H and tax

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What is it: Tightline Waterproof Full Lash Length Black Mascara Primer is the next generation of lash innovation! This budge-proof, waterproof formula is an eyelash primer, mascara, and eyeliner in one--a true game-changer in mascara and eyeliner technology. It includes an ultra-skinny wand, allowing you to start coating your lashes at their actual root, so you coat black along your entire lash length. This gives you ultimate length and volume. If you have sparse or missing lashes, the brush lays down black pigment along your entire lash line, filling in spare spots and giving you a full, beautiful lash line and the look of an eyeliner.

Who is it for: Anyone who wants waterproof lashes; and anyone with sparse lashes who wants the look of a full lash line with thicker, longer lashes that reach their full potential.

Why is it different: In the single step of applying your mascara, you get a primer, mascara, and eyeliner--all in one step! This lash innovation creates instant eyeliner definition without taking up extra eyelid space. The skinny wand also allows the conditioning serum to infuse a blend of unique ingredients--including proteins, biotin, collagen, olive, jojoba, avocado, and a peptide-infused, lash-enhancing serum--to give your lashes a dose of nourishment. And it's waterproof even after 12 hours of wear!

How do I use it: Starting at the root of your lashes, hold the wand horizontally, then wiggle and sweep the brush up and through your lashes from the very base through to the tips. For a more dramatic look, add additional coats.

From IT Cosmetics(R).


  • Two 0.118-fl oz Tightline Waterproof Full Lash Length Black Mascara Primers
  • Imported

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Reviews & Community QA

IT Cosmetics TIGHTLINE Waterproof Black Mascara Primer Duo is rated 3.7 out of 5 by 621.
Rated 5 out of 5 by from Length Without Clumps, YES! Finally broke down and gave this a try and am soooo very happy that I Did. My lashes clump very easily, But not with IT. Every lash gets coated, but no clumping. Thank you IT!
Date published: 2018-11-08
Rated 4 out of 5 by from great brush The good is the tiny brush catches every single lash and never clumps. It looks like you're not wearing any mascara but have beautiful lashes. It's definitely a daytime look. If you want more drama, you need to layer a different mascara over it. The bad is you get such a tiny amount in the tube you have to replenish very often. Also after a whole day it starts to flake a little. Overall, I do keep buying it because I haven't found anything to take it's place.
Date published: 2018-11-08
Rated 4 out of 5 by from Gets all fine lashes This is one of my favorite mascaras. I used Definicils forever, but this new, smaller wand is perfect for getting all of those tiny lashes in corners of your eyes!!! My only complaint is it flakes after 4-6 hours.... it is also a little difficult to remove. But by far my fave.....
Date published: 2018-11-02
Rated 5 out of 5 by from Love It This is a small brush applicator but... I can say it provided amazing coverage to every single lash. I don't use it on my top lashed bc I have extentions but on my bottom lashes it's amazing. Also the waterproof doesn't budge. I live in hot him if weather n never have a issue with it giving me black under eye . Love this product. Try it !!!
Date published: 2018-10-31
Rated 5 out of 5 by from Fav mascara I love tightline! I’m past the age that I wear gobs of makeup and I love how tightline goes on easy and never clumps. It’s just enough without going over the top. If I want to add drama, I swipe on superhero to give volume. But tightline is my daily go to. I see others complaining that you don’t get enough in the tube, and I completely love that you don’t get a huge amount because i am guilty of keeping makeup way to long and then feel guilty throwing it out. I find the amount in these tubes perfect. I actually use the whole tube and never feel like I’m wearing old makeup!!
Date published: 2018-10-29
Rated 1 out of 5 by from Nope! This mascara is the worst. Sorry, I usually love It products, but this is ridiculous. Then brush is so small it doesn't make much of an impact on my lashes at all. If I didn't have to pay postage I would send it back. Worthless.
Date published: 2018-10-28
Rated 1 out of 5 by from Not Good I just have to say can’t stand the brush really can’t put much formula on my lashes and the small bottle is just not enough either super disappointed .
Date published: 2018-10-27
Rated 5 out of 5 by from LOVE iT Tightline! This is a spectacular mascara! My favorite! Don’t hesitate if you’re thinking about it, GET IT!!!!
Date published: 2018-10-16
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