100% Treatment. 100% Lip Gloss.
A lip treatment and gloss packed with hydrating active ingredients that visibly plump and protect, all while providing a juicy slick of color. Super comfy, never drying, tingle-free.
- Hyaluronic Acid
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Attracts water and locks in hydration
- Peptides
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Visibly plumps
- Evening Primrose Oil
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Helps protect against stressors
- Avocado Oil
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Cushions and moisturizes
- Konjac Root
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Creates a gel-like barrier between lips and the environment
- Shea Butter
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Soothes & softens
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Swipe it on and go.
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The contoured doe foot applicator hugs the shape of your lip so it’s super easy to apply. Use the tip for any detail/touch-up action.
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Hot tip: Apply Hotliner first, then swipe on Weightless Lip Color and Wet Lip Oil Gloss for a long-lasting, super slick finish.
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BestProducts Editors Choice Awards (2023)
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Allure Best of Beauty (2023)
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Clean Beauty, Allure Readers' Choice Awards (2023)
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Best Lip Gloss, Cosmopolitan Beauty Awards (2020)
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Best Lip Gloss, NewBeauty Beauty Awards (2020)
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Best Lip Oil, Better Homes & Garden Beauty Awards (2020)
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Best Lip Color, Glamour Beauty Awards (2020)
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ELLE Future of Beauty Awards - Lips (2019)
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Very Good Light Lightning Beauty Awards (2019)
The Shades
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Frequently Asked Questions
You've got questions, we've got answers
How does Wet Lip Oil act as skincare for my lips?
The clean, vegan formula is packed with Hyaluronic Acid, Peptides, Avocado Oil, Konjac Root, and Shea Butter—all at active levels—to deeply hydrate, visibly plump, and soften lips over time. It’s skincare in a gloss.
Is there a scent?
Yes—it has a subtle, fresh scent of orange and vanilla that makes application feel uplifting but never overpowering.
Will I see plumper lips?
Yes! In a clinical study, Wet Lip Oil showed visible lip plumping immediately after use and continued improvement with ongoing wear.
What’s the difference between Wet Stick and Wet Lip Oil?
Wet Lip Oil is a high-shine gloss that delivers deep hydration and a plump, glossy finish. Wet Stick is a sheer, balmy lip color with a soft touch of shine and a lighter feel. Both are treatment-meets-color formulas for hydrated, plump, juicy lips—just with different textures and finishes.
Is wet lip oil sticky or heavy?
Not at all! The texture is cushiony, smooth, and non-sticky, so it feels more like a treatment balm than a traditional gloss. Website FAQ
Is the mica ethically sourced?
Yes, Kosas uses ethically sourced mica that meets our clean and responsible ingredient standards. We’re committed to full transparency and responsible sourcing.
- Color
- Texture
- Hydration
- Longevity
- Application
- KLKathleen L.Verified BuyerAge Range 35 - 44Astrology Fire — Aries; Leo; SagittariusHair Color RedSkin Tone LightSkin Type CombinationRecommend Yes -1000%1 week agoAge Range 35 - 44Astrology Fire — Aries; Leo; SagittariusHair Color RedSkin Tone LightSkin Type CombinationRecommend Yes -1000%ReviewingWet Lip Oil Gloss SlushyRated 5 out of 5 starsRed lip is 💋
Not too intense- perfect lift of color
- RRashelleVerified BuyerAge Range 45 - 54Hair Color BlondSkin Tone LightSkin Type CombinationRecommend Yes -1000%3 weeks agoAge Range 45 - 54Hair Color BlondSkin Tone LightSkin Type CombinationRecommend Yes -1000%ReviewingWet Lip Oil Gloss UnbuttonedRated 5 out of 5 starsLove Unbuttoned
I purchased the new at the time “Unbuttoned “ in the Lip Oil Gloss and the wet lipstick. Personally, I like both of the, but I like the oil gloss even better. In fact, it’s my new favorite and I have a lot of different colors. I have bright blonde hair and lightly tanned skin. I’ve been using the BB cream and the IV Glow and the gloss works perfectly with these. Great job Kosas! I love the cleanliness of the products as well.
- KAKathy A.Verified BuyerAge Range 65+Hair Color BrownSkin Tone MediumSkin Type CombinationRecommend Yes -1000%2 months agoAge Range 65+Hair Color BrownSkin Tone MediumSkin Type CombinationRecommend Yes -1000%ReviewingWet Lip Oil Gloss SlushyRated 5 out of 5 starsLove
I was pleasantly surprised at this product. I love the way it goes on and how it lasts on my lips.
- DLDeborah L.Verified BuyerAge Range 65+Astrology Water — Cancer; Scorpio; PiscesHair Color BlondSkin Tone LightSkin Type NormalRecommend Yes -1000%3 months agoAge Range 65+Astrology Water — Cancer; Scorpio; PiscesHair Color BlondSkin Tone LightSkin Type NormalRecommend Yes -1000%ReviewingWet Lip Oil Gloss ColaRated 5 out of 5 starsLip oil
Love it
- BBBrett B.Verified BuyerAge Range 55 - 64Astrology Water — Cancer; Scorpio; PiscesHair Color BlondSkin Tone FairSkin Type DryRecommend Yes -1000%3 months agoAge Range 55 - 64Astrology Water — Cancer; Scorpio; PiscesHair Color BlondSkin Tone FairSkin Type DryRecommend Yes -1000%ReviewingWet Lip Oil Gloss MalibuRated 5 out of 5 starsLove this
Great color payoff and it keeps an emollient finish unlike other glosses and balms that dry to a sticky texture. I will repurchase
- MPMonica P.Verified BuyerAge Range 55 - 64Recommend Yes -1000%4 months agoAge Range 55 - 64Recommend Yes -1000%ReviewingWet Lip Oil Gloss SlushyRated 5 out of 5 starsThe best lip gloss!
The best lip gloss, love the new colors!
- MMaribel4 months agoReviewingWet Lip Oil Gloss ExposedRated 5 out of 5 stars5 Stars
Love the shine and clear look in this. I pair it with the lip liner and I love the pop it gives.
- TTerri5 months agoReviewingWet Lip Oil Gloss FruitjuiceRated 5 out of 5 stars5 Stars
Absolutely love this lip oil gloss. I purchased one and received this one as a gift. Great color and the shine is beautiful. Will repurchase. I am new to Kosas but love the many products I’ve tried and now continue to use. Highly recommend. Im a Kosas fan!
- TTerri5 months agoReviewingWet Lip Oil Gloss UnzippedRated 5 out of 5 stars5 Stars
Absolutely love this lip oil gloss. Great color and the shine is beautiful. Doesn’t dry out lips. Will repurchase. I am new to Kosas but love the many products I’ve tried and now continue to use. Highly recommend
- DDyanVerified BuyerHair Color BrownSkin Tone LightSkin Type NormalRecommend Yes -1000%5 months agoHair Color BrownSkin Tone LightSkin Type NormalRecommend Yes -1000%ReviewingWet Lip Oil GlossRated 5 out of 5 starsLove!
This is a beautiful gloss that really does make my lips look plumper without any irritation! I purchased the color Cola with a bit of hesitation thinking it might be too brown, but next to my fair skin it’s a beautiful pinkish shade that really brightens up my whole face . I love it!
