Chemistry Deodorant
BO-Fighting AHA Serum
Free Shipping on US Orders $40+ & Free Returns
Your pits need an AHA moment
A clean stain-free serum deodorant with a unique blend of AHAs for the ultimate BO-fighting treatment. Bonus points: soothes skin, visibly brightens, and helps with ingrown hairs. No aluminum. No baking soda. Only pit-nourishing ingredients allowed.
- Shikimic Acid
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Natural deodorizer
- Mandelic Acid
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Helps address dullness and discoloration
- Lactic Acid
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Exfoliates and holds in moisture
- Pure Aloe Vera Juice
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Moisturizes + soothes
- Hyaluronic Acid
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Hydrates, softens + smoothes skin
- Highly Bioactive Peptide
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skin-conditioning + firming
Pairs Best With
Different Approach To BO
We want to treat BO where it starts. Our blend of AHAs (Alpha Hydroxy Acids) helps lower the pH in your pit so it’s harder for odor-causing bacteria to live there. Less bacteria = less smell.
Deodorant For Skincare Freaks
The AHA blend also brightens and exfoliates to help prevent uncomfy ingrown hairs. Additional skincare ingredients work to moisturize and soothe the sensitive skin of your pit too.
Clean Deodorant That Isn’t Annoying
The lightweight serum dries quickly and doesn’t leave a residue or stain on your clothes. The cooling roller ball is also super easy and feels sooo good going on your skin.
Kosas Clean
Vegan, cruelty-free, and gluten-free. Formulated without: aluminum, baking soda, mineral oil, talc, silicones, fragrance, parabens, sulfates, and phthalates.
Check out our Kosas Clean page for the full list.
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Best Natural deodorant ever. And I’ve tried many.
- EMElla M.Verified BuyerAge Range 18 - 24Skin Tone FairSkin Type NormalRecommend Yes -1000%3 weeks agoAge Range 18 - 24Skin Tone FairSkin Type NormalRecommend Yes -1000%Rated 5 out of 5 starsClean and actually works!!!
I’ve always had the worst trouble with body odor and excessive underarm sweat, and no other deodorants ever did the trick. I’m so impressed with this stuff!! This is the only deodorant I’m using from now on!!! :))
KCKosas Cosmetics3 weeks agoHi Ella! We're so happy to hear that you're loving Chemistry! 💚
- STStephanie T.Verified ReviewerAge Range 45 - 54Astrology Earth — Taurus; Virgo; CapricornSkin Type CombinationRecommend Nope - don’t think so4 weeks agoAge Range 45 - 54Astrology Earth — Taurus; Virgo; CapricornSkin Type CombinationRecommend Nope - don’t think soRated 2 out of 5 starsUsed to Love it, but
This Deorderant was the best I ever tried, and did exactly as described for a long time until I started getting rashes (dermatitis) and bumps under my arms. They would burn and itch.I saw a doc and dermatologist who gave me meds get rid of it. Then I'd use kosas again and it came back every time. I'm very disappointed.
KCKosas Cosmetics3 weeks agoHi Stephanie! We're so sorry to read about your experience with Chemistry. We've reached out for more information!
- PSPaige S.Verified BuyerAge Range 25 - 34Astrology Air — Gemini; Libra; AquariusHair Color BrownSkin Tone MediumSkin Type NormalRecommend Nope - don’t think so1 month agoAge Range 25 - 34Astrology Air — Gemini; Libra; AquariusHair Color BrownSkin Tone MediumSkin Type NormalRecommend Nope - don’t think soRated 1 out of 5 starsMold growth in less than 3 months
I initially loved this deodorant. I bought it because I’m pregnant and needed to reapply more frequently. After less than 3 months of using it, it developed a mold.
KCKosas Cosmetics1 month agoHi Paige, we take your experience extremely seriously and have sent you an email to help.
- SStayKVerified ReviewerAge Range 45 - 54Astrology Water — Cancer; Scorpio; PiscesHair Color BlondSkin Tone LightSkin Type CombinationRecommend Yes -1000%1 month agoAge Range 45 - 54Astrology Water — Cancer; Scorpio; PiscesHair Color BlondSkin Tone LightSkin Type CombinationRecommend Yes -1000%Rated 5 out of 5 starsUn-BO-able!
Entering my mid 20's, my body (chemistry) started changing. I found myself quite stank within a few hrs (or less) of showering & a run-of-the-mill antiperspirant. I decided to research how antiperspirant works & their aluminums, then decided to try just deodorants in more natural/clean forms. But nothing worked well...basically just perfume for my pits. Like, Lume was ok, but i still didnt feel satisfied. Enter Kosas Chemistry Deodorant! Not only does this combat underarm funk allll day, but it has actually improved their skins appearance! We're smoother, we're brighter AND my clothing no longer have strange stains from stinky sweat or the perfumed stuff I was previously applying. I am a true Kosas convert & a more confident chic now with pits sans pungency or pimple-y. From the...under of my arms, THANK YOU KOSAS! Your acids kick armpit a$$ !
KCKosas Cosmetics1 month agoHi StayK! Thank you so much for the glowing review! We are so happy to hear that Chemistry has helped 😍