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Summary
Revlon ColorStay Lash Serum + Liner Liquid Liner nourishes the lash line with serum-infused Tahitian Microalgae for visibly healthier lashes in 1 week.
Features
- Lash serum + liquid eyeliner in one
- Visibly healthier lashes in 1 week
- Lash-line hugging brush tip glides on with flexibility and is easy to use and control
- ColorStay Adapti-Flex Color Lock Technology for lasting color + all-day wear
- Provides bold, rich black color in one stroke
- Glides on smoothly, doesn't skip or drag
- Suitable for all eye shapes
- Waterproof; does not smudge, transfer, fade or bleed
Key Ingredients
- Nourishes lash line with serum-infused Tahitian Microalgae
Shake well before use, then simply draw our waterproof liquid eyeliner along your lash line for a thin line.
Aqua/Water/Eau, Acrylates/Ethylhexyl Acrylate Copolymer, Propanediol, Laureth-21, Acrylates/Dimethylaminoethyl Methacrylate Copolymer, 1,2-Hexanediol, PEG-40 Hydrogenated Castor Oil, Ammonium Acrylates Copolymer, Butylene Glycol, C11-15 Alketh-7, Caprylyl Glycol, Disodium Laureth Sulfosuccinate, Pentylene Glycol, Plankton Extract, Sodium Laureth-12 Sulfate, Sodium Lauryl Sulfate, Phenoxyethanol, Potassium Sorbate, Sodium Dehydroacetate, Black 2 (CI 77266) [nano]. B03877
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Reviews
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by PowerReviews
Ratings Distribution
Most Helpful Positive Review
Precision meets Innovation 😍😉
The Revlon Colorstay Lash Serum Plus Liner has quickly won me over, and here's why. First, let's talk about the basics: I'm not sure if this liner comes in other colors, but the blackest black shade is absolutely perfect for me. It's bold, rich, and exactly the kind of pigment I always look for in ...
Most Helpful Critical Review
One Product, Two Jobs—But Only One Shows Up to Work
[I received this product in exchange for my honest review] The Revlon ColorStay Lash Serum + Liner Liquid Liner had me intrigued—liner and lash serum? We love a multitasker. Unfortunately, this one's a little more "concept over execution." As a liquid liner: It's… fine. The pigment is decent—true b...
2012 results
Affordable and easy to use
[I received this product in exchange for my honest review] One of the best eyeliners in the market. It is very affordable. It is also easy to use. It's also very compact, and that makes it easy to bring everywhere and also during travel. I totally recommend

Not bad, love the idea
[I received this product in exchange for my honest review] Lash Serum + Liner – I love the concept of combining lash care with a liner. The formula went on smoothly and didn't tug, which is always a win. While it didn't last quite as long as I'd like on my oily lids (and my eyes do tend to water), I really appreciated the conditioning ingredients and could see this being great for daily, gentle wear.
SKIP THIS
Disappointed is the kindest thing i can say about this product. Ive used Stila for years and decided to try a cost effective alternative, stupid mistake. This product is not color stay, it didnt even last through an 8 hr work shift. It smudges, fades, and flakes. The felt tip ia nice and soft but does not apply enough product for a smooth application. The pigment is not dark or bild, its that of a dim coor pencil. This product sux. You get what you pay for i guess.
Yesss
This 2-in-1 serum + liquid eyeliner is a total win! 🖤 The liner glides on super smoothly thanks to its flexible brush tip, making it easy for both beginners and pros. It's smudge-proof, transfer-resistant, waterproof, and stays bold all day—no fading or bleeding. But what really sets it apart? It's infused with Tahitian Microalgae serum to nourish your lash line for healthier-looking lashes in just one week! A true multitasker that combines beauty and care in one sleek, vegan-friendly pen.

Not the best
I had trouble with it so I gave it to an eyeliner expert… my sister. It's smooth but you do have to wait a bit for it to dry down completely. Even then not tends to smudge. I like the packaging, it's simple and sleek which makes for an easy application process.