Clinically Proven Results
97% agreed this product blended easily to become like a second skin.*
97% agreed this product provided the desired coverage*
After 4 weeks:
100% agreed my skin's texture is more smooth*
97% agreed my pores are less visible when I wear this product*
100% saw improvement in hydration on bare skin**
100% saw improvement in skin firmness on bare skin**
*based on a consumer study with 32 females
**based on a clinical measurement study with 32 females
Clinically tested. Dermatologically tested.
Non-comedogenic. Non-acnegenic. Non- irritating.
Hypoallergenic. Safe for sensitive skin.
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.
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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- MDM D F.Verified Buyer13 seconds agoRated 5 out of 5 starsBest foundation
Love this foundation 70 years old and I think it makes my skin smoother. Just trying to figure out which shade is best. Several work very well.
- JTJill T.Verified Buyer1 month agoRated 1 out of 5 starsDull finish and caused breakouts
I tried so hard to like this after reading so much hype, but it caused breakouts and itchiness each time. I’m 45 and haven’t had skin problems like this in decades! Brands I’ve used without issues include Chanel, Bare Minerals, Nars, Shiseido, and Laura Mercier. I was seeking a perfect color match but each time I tried it, my skin felt clogged immediately and I’d get deep-forming pimples over the next few days. I waited at least a week between attempts, without using any makeup at all to make sure nothing else in my skin care routine was causing it, and once the breakout would clear, I’d try another shade, immediately resulting in another breakout. After 3 tries, I have to conclude there is something in the Kosas formula that my skin just doesn’t like. The finish also looks dull and matte, and settles into lines and pores, as well as turning to a kind of flaky texture after about an hour. Bummed to have spent almost $30 for the two sample packs (foundation and concealer) only to have to start at square one in my search.KCKosas Cosmetics1 month ago
Hi Jill, sorry to hear Revealer Foundation was not a match for you. Thank you for giving it a try.
- CSChristine S.Verified Buyer1 month agoRated 2 out of 5 starsToo drying
Too drying for my mature skin
- AOAJ O.Verified Buyer3 months agoRated 2 out of 5 starsActual product was nominal
samples were a bit too small to gauge efficacy, would love to see them built more like the concealer sizes. I had high hopes but the formula appeared to be too drying based on the limits amount I was able to use.
- SSSindhu S.Verified Buyer4 months agoRated 5 out of 5 starsbeautiful finish and perfect amount to sample
lots of foundation provided to swatch color and do a wear test