Clean SPF Foundation for Skincare Freaks.
A medium coverage SPF treatment foundation with a natural, dreamy finish that instantly blends like a second skin to blur, visibly smooth texture + minimize pores.
- Niacinamide + Caffeine
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Brightens
- Squalane + Arnica + Provitamin B5
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Soothes
- Peptides + Hyaluronic Acid
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Plumps
- Mineral Reef-Safe SPF + Artemisia Flower Extract
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Protects
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Best applied with fingers or a makeup brush. Use Revealer Dual-Ended Makeup Blender for finishing touches. We recommend 1 pump for light coverage and 2 pumps for medium coverage.
Revealer Dual-Ended Makeup Blender - Concealer + Foundation Applicator 
Revealer Dual-Ended Makeup Blender
Concealer + Foundation Applicator
Allure Best of Beauty - Clean Beauty (2022)
The Shades
Build Your Look
Clean, comfy + clinically proven essentials for your best skin ever.
Glow I.V.
Vitamin-Infused Skin Illuminating Enhancer
Revealer Skin-Improving Foundation SPF 25
Medium Coverage, Skincare + SPF
Revealer Concealer
Super Creamy + Brightening Concealer
Cloud Set Setting Powder
Baked Setting + Smoothing Powder
Foundation That Looks Like Real Skin
Skin-reviving SPF treatment foundation instantly blends like a second skin with a natural dreamy finish to blur, visibly smooth texture + minimize pores. Invisible, ultra-fine powder crystals are suspended in the unique liquid formula to add dimension for healthy, alive skin that still looks like you. Medium, buildable coverage lasts all day.
Foundation That Actually Improves Your Bare Skin
Clinically proven powerhouse blend of skincare actives like Hyaluronic Acid, Niacinamide, Peptides, and Squalane work to hydrate, brighten, plump, firm, and soothe. Broad-spectrum, reef-safe mineral SPF 25 and Artemisia Flower Extract help protect against environmental and blue light damage. The stuff dream skin is made of.
Foundation That Doesn't Feel Makeup-y
Clean, comfy, high-performance foundation. Revealer’s breathable, fresh + freeing texture is formulated for high skin affinity so it blends into nothingness. Never stiff, thick, cakey, or makeup-y. Silicone-free. Hypoallergenic. Safe for sensitive skin. Non-acnegenic.
Kosas Clean
Vegan, cruelty-free and gluten-free. Free of silicone, mineral oil, talc, fragrance, parabens, sulfates, and phthalates.
Check out our Kosas Clean page for the full list.
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Frequently Asked Questions
You've got questions, we've got answers
Do I need to wear a primer with it?
No primer needed! This foundation is a skincare, makeup, and SPF hybrid that grips to skin and smooths texture for effortless application.
Does this work for dry skin?
Absolutely. It’s infused with skin-conditioning ingredients like Squalane, Arnica, and Provitamin B5 to soothe, hydrate, and balance moisture levels—leaving skin feeling plump and comfortable all day.
How long is the wear?
Revealer Foundation is clinically proven to last up to 8 hours of flawless wear. For even longer wear, set with Cloud Set Powder or finish with Cloud Set Mist for a fresh, all-day look.
Is it a chemical or physical SPF?
It’s a mineral, reef-safe SPF 25 that provides broad-spectrum UVA/UVB protection without irritating skin.
Is it fragrance free?
Yes, completely fragrance free and suitable for sensitive skin.
Is it safe for sensitive skin?
Yes, it’s clinically proven to be safe for even the most sensitive skin.
Is it suitable for all skin types?
Yes! Formulated for all skin types, including oily, dry, combination, and sensitive. It’s clinically tested to be non-comedogenic, non-acnegenic, and non-irritating.
Is there any flashback?
No flashback—just healthy, natural-looking skin under any lighting.
What is the finish?
A natural, dreamy finish that looks like skin—radiant, smooth, and never heavy or cakey.
How do i choose my shade?
Use the Kosas Shade Finder Quiz to get your perfect match. You can also email letschat@kosas.com or DM @kosas on Instagram with a makeup-free selfie in natural light for personalized help!
Does it help with redness or uneven skin tone?
Yes. The formula includes Arnica and Caffeine, which help calm visible redness and even out tone over time—while the pigment instantly corrects unevenness.
What’s the best way to apply it?
Apply with fingers for a natural finish, a brush for polished coverage, or the Revealer Dual-Ended Makeup Blender for a seamless, radiant result.
