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Kosas Chemistry Deodorant - Aluminium and Baking Soda Free + BO-Fighting AHA Serum that Exfoliates, Softens, and Nourishes the Skin, (Fragrance Free)
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Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Purchase options and add-ons
Brand | Kosas |
Item Form | Lotion |
Scent | Fragrance Free |
Material Type Free | Cruelty-free, Gluten-free and also formulated without: aluminum, baking soda, mineral oil, talc, silicones, fragrance, parabens, sulfates, and phthalates. Vegan and non Toxic See more |
Special Feature | All Day Protection, Not Tested On Animals, Natural Ingredients |
About this item
- Unique - A gentle, effective deodorant formulated with a blend of skincare-powered ingredients that work together to help nourish and protect your underarms. Ideal for sensitive skin.
- Key Benefits - Soothes skin, softens, exfoliates, and helps with ingrown hairs. Aluminum and Baking Soda-Free deodorant. Maximum benefits kick in after two weeks of use.
- Effective + Clean Skincare - We want to treat BO where it starts. Clinically tested and safe for sensitive skin.
- Lightweight - The lightweight serum dries quickly without leaving residue or stains on your clothes. The cooling roller ball is also super easy and feels so good on your skin. Use it every day - just shake, roll, and go. Gently squeeze for more serum.
- Kosas Clean - Our deodorant is formulated without aluminum, baking soda, mineral oil, talc, silicones, fragrance, parabens, sulfates, and phthalates. Cruelty- and gluten-free + Vegan.
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Sustainability features
This product has sustainability features recognized by trusted certifications.Packaging efficiencyReduced air and/or water in the product or packaging for more efficient transportation.As certified byCompact by Design (Amazon-developed Certification)
Compact by Design identifies products that, while they may not always look very different, have a more efficient design. By reducing water and/or air in the product or packaging, these become more efficient to ship. At scale, these small differences in product size and weight lead to significant carbon emission reductions. - Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Safer chemicalsMade with chemicals safer for human health and the environment.As certified byEWG Verified
Choosing EWG Verified products means reducing chemicals of concern and supporting companies that are committed to using safer ingredients. This mark is backed by EWG's scientific rigor and decades of research on chemical safety and scientific evidence on the impacts of exposure to toxic chemicals on human health. - Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Manufacturing practicesManufactured using processes that reduce the risk of negative environmental impact.As certified byECOLOGO
ECOLOGO certified products have reduced environmental impacts at one or more stages of their lifecycle – from raw materials to end of life. ECOLOGO certification indicates that a product has met environmental performance standards, which include criteria in some or all of the following categories: materials, energy, manufacturing and operations, health and environment, product performance and use, and product stewardship and innovation. Products are evaluated on the applicable criteria through testing and auditing.Safer chemicalsMade with chemicals safer for human health and the environment.As certified byEWG Verified
Choosing EWG Verified products means reducing chemicals of concern and supporting companies that are committed to using safer ingredients. This mark is backed by EWG's scientific rigor and decades of research on chemical safety and scientific evidence on the impacts of exposure to toxic chemicals on human health. - Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Packaging efficiencyReduced air and/or water in the product or packaging for more efficient transportation.As certified byCompact by Design (Amazon-developed Certification)
Compact by Design identifies products that, while they may not always look very different, have a more efficient design. By reducing water and/or air in the product or packaging, these become more efficient to ship. At scale, these small differences in product size and weight lead to significant carbon emission reductions. - Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Organic contentProduct contains at least 95% organic material.As certified byUSDA Organic
USDA Organic is protected by law, inspected by experts, traced from farm to store, and shaped by public input. USDA develops and enforces the organic standards, which require products to be produced using farming practices that maintain and improve soil and water quality, minimize the use of synthetic materials, conserve biodiversity, and avoid genetic engineering, among other factors. Crops can be certified organic if they’re grown without prohibited substances such as most synthetic fertilizers and pesticides for three years prior to harvest. Livestock are raised on pasture and treated humanely without growth hormones or antibiotics. Organic products do not contain GMOs or artificial colors, flavors, or preservatives. Products that contain a minimum of 95 percent organic ingredients and use the USDA Organic seal are part of Climate Pledge Friendly. - Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Packaging efficiencyReduced air and/or water in the product or packaging for more efficient transportation.As certified byCompact by Design (Amazon-developed Certification)
Compact by Design identifies products that, while they may not always look very different, have a more efficient design. By reducing water and/or air in the product or packaging, these become more efficient to ship. At scale, these small differences in product size and weight lead to significant carbon emission reductions.
Product Description




Product details
- Product Dimensions : 5 x 2 x 2 inches; 3.84 ounces
- Item model number : 11_01
- UPC : 810021890999
- Manufacturer : Kosas
- ASIN : B0927XMY4M
- Country of Origin : USA
- Best Sellers Rank: #5,415 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care)
- #101 in Deodorant
- Customer Reviews:
Compare with similar items
This Item ![]() Kosas Chemistry Deodorant - Aluminium and Baking Soda Free + BO-Fighting AHA Serum that Exfoliates, Softens, and Nourishes the Skin, (Fragrance Free) | Recommendations | |||||
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $18.00$18.00 | $13.00$13.00 | $19.50$19.50 | $24.00$24.00 | -14% $12.97$12.97 List: $15.00 | $20.00$20.00 |
Price Per Unit | $7.50 / Fl Oz | $13.00 / Ounce | $19.50 / Count | $14.12 / Fl Oz | $4.89 / Ounce | $11.76 / Fl Oz |
Delivery | Get it as soon as Friday, Mar 21 | Get it as soon as Friday, Mar 21 | Get it as soon as Friday, Mar 21 | Get it as soon as Wednesday, Mar 26 | Get it as soon as Friday, Mar 21 | Get it as soon as Friday, Mar 21 |
Customer Ratings | ||||||
Sold By | Natural & Clean Beauty | ZERO TABOOS | Surface Deep | Saltair | Native Deodorant | Nécessaire |
scent | Fragrance Free | Fragrance free | Unscented | Santal Bloom, Pink Beach | Coconut & Vanilla | Eucalyptus |
form | Lotion | Cream | Spray | Liquid | Stick | Liquid Gel |
volume | 2.4 fluid ounces | 2.5 fluid ounces | 4 fluid ounces | 1.7 fluid ounces | 0.08 kilograms | 50 milliliters |
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Important information
Safety Information
For external use only.
Ingredients
Aqua, Aloe Barbadensis Leaf Juice, Glycerin, Mandelic Acid, Sodium Hydroxide, Shikimic Acid, Lactic Acid, Palmitoyl Tripeptide-5, Hyaluronic Acid, Citric Acid, Tartaric Acid, Xanthan Gum, Potassium Sorbate, Sodium Benzoate
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find this deodorant effective and long-lasting. They say it works well in cooler temperatures and even through the night. Many appreciate its residue removal. However, some have issues with value for money. There are mixed opinions on the scent, skin irritation, and how quickly it dries.
AI-generated from the text of customer reviews
Customers appreciate the product's effectiveness. They say it works well, often through the night. They find it effective as drugstore brands and describe it as magic. Some customers have noticed a reduction in ingrowns.
"...This stuff works really well. Like really, really well. It easily lasts all day - meaning 24 hours including the next morning's workout...." Read more
"This is the only natural deodorant that I’ve tried that 1. Works 2...." Read more
"...My truth is that this product didn't work for me, and couldn't keep up with sweat from needing to wear heavy sweaters everywhere in the winter...." Read more
"...So one pro is that it does work, but only for about 4 hours in my experience...." Read more
Customers find that the deodorant works well. They say it's the most effective natural deodorant they've tried, and a fine deodorant for daily use. Some mention that the green scent is not great. Overall, customers are satisfied with how well it works without causing odor throughout the day.
"...Overall I think this is a fine deodorant for daily use, I just would pick a different scent next time...." Read more
"It’s a good product and it does the job decently, I’m just thinking it’s maybe not for me. It’s a bit expensive for the value in my opinion...." Read more
"...It's made to use with natural deodorant so that may have helped too." Read more
"Finally a natural deodorant that works, doesn't stain my clothes, doesn't leave a weird film, and doesn't have a strange odor! Thank you, Kosas!..." Read more
Customers like the deodorant's longevity. It works for 8-10 hours before needing reapplying. Some say it lasts all day, even for a full work day. They feel protected throughout the day with just a few swipes.
"...This stuff works really well. Like really, really well. It easily lasts all day - meaning 24 hours including the next morning's workout...." Read more
"...clothing, it’s a little wet at first application but does not stay for longer than 19 seconds. So easy to use, I like the packaging...." Read more
"...am a smelly and sweaty girl lol I apply this in the morning and it last all day. I am shocked after the gym and sweating all day I still don’t smell!..." Read more
"...Try it, it seems pricy but #1 it works and #2 it lasts quite a long time." Read more
Customers appreciate that the deodorant leaves no residue or stains on their underarms or clothing. They find it works well without leaving any marks or residue on their skin or clothes.
"...There's just no funk. Also, there's no weird residue. It dries and you can't even feel that you're wearing it...." Read more
"...It is so impressive. No residue on clothing, it’s a little wet at first application but does not stay for longer than 19 seconds...." Read more
"...No marks or residue!" Read more
"...It goes on clear and doesn’t leave any white streaks on clothes. It’s also a gentle formula that doesn’t give me a rash...." Read more
Customers have differing views on the scent of the deodorant. Some say it prevents odor all day, while others find the unscented version unpleasant.
"...And, I use the unscented version, so there's no masking smell for the funk to hide behind. There's just no funk...." Read more
"...I don’t feel smelly after a full day of wearing!..." Read more
"...I apply once and literally never smell all day. I go 8+ hours juggling 2 kids in 100 degree weather and don’t smell. It is so impressive...." Read more
"...another reviewer... when putting on the product, it does have a weird smell to it when applying...." Read more
Customers have mixed opinions about the product's skin irritation. Some find it works well without irritating their skin and causes a mild sting or rash. Others report tingling, itching, and discomfort in their pits when sweating.
"...Works 2. Doesn’t irritate my skin (I usually have a reaction to natural deodorants that have baking soda in them, which is almost all of them)...." Read more
"...Since it is a gel, my pits do get a little uncomfortable if I sweat a lot and a little swampy which is why I took off a star...." Read more
"...store bought products, but so far it works very well while not irritating my skin as my other deodorant/antiperspirant did...." Read more
"...Sadly, putting this on, I still have that wet, swamp feeling, strutting around in a sports bra in the morning, flapping my arms like a chicken to..." Read more
Customers have different experiences with the deodorant's drying time. Some say it dries immediately without stickiness, keeping them dry and odor-free. Others mention it takes a little while to completely dry, leaving a wet residue on clothing. Overall, opinions vary on how quickly the product dries and whether it runs through the bottle quickly.
"...It does take a few mins to dry & does have a light scent (even the fragrance free one) they all initially have the same scent the fragrance free one..." Read more
"...There's just no funk. Also, there's no weird residue. It dries and you can't even feel that you're wearing it...." Read more
"...It takes a very long time for the product to dry, so if you are trying to start your day it's not at all pragmatic to wait for your armpits to air..." Read more
"...It goes on wet so just let it dry but it doesn’t get on clothes and doesn’t leave you sticky...." Read more
Customers are unhappy with the value for money of the body deodorant. They say it's too expensive and not worth the cost.
"...It is quite pricey compared to the standard store bought products, but so far it works very well while not irritating my skin as my other deodorant/..." Read more
"...The cons are the very off putting smell of the unscented version, the price, and the information on the packaging is so small you need a microscope..." Read more
"...There’s also no synthetic fragrance. Really happy with the quality for the price...." Read more
"...is, it just didnt work at all as a deodorant, and it was very expensive for a flop. I didn't notice any changes in my skin tone from this product." Read more
Reviews with images

Works well in the fall and winter
Top reviews from the United States
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- Reviewed in the United States on December 28, 2024Scent: Fragrance FreeVerified PurchaseI know from experience how hard it is to find an aluminum-free deodorant that's not full of total crap chemicals AND that actually works well... so I'm sharing this for folks in the future who are on that search.
This stuff works really well. Like really, really well. It easily lasts all day - meaning 24 hours including the next morning's workout. And, I use the unscented version, so there's no masking smell for the funk to hide behind. There's just no funk.
Also, there's no weird residue. It dries and you can't even feel that you're wearing it. And, as a bonus, it doesn't stain my clothes.
As long as they keep making this stuff, I'm gonna keep using it.
- Reviewed in the United States on February 22, 2025Scent: Fragrance FreeVerified PurchaseThis is the only natural deodorant that I’ve tried that 1. Works 2. Doesn’t irritate my skin (I usually have a reaction to natural deodorants that have baking soda in them, which is almost all of them). I don’t feel smelly after a full day of wearing! It takes a little bit to get used to wearing a liquid deodorant, but just let it dry for a minute before putting clothes on over top
- Reviewed in the United States on December 1, 2024Scent: Fragrance FreeVerified PurchaseI recently had a reaction and the skin in my armpits have been a bit dry and irritated when i used my standard deodorant/antiperspirant. I bought this to try it out for sensitive skin while moisturizing.
So far it seems to work very well at suppressing body odors.
I will need to agree with another reviewer... when putting on the product, it does have a weird smell to it when applying.
It seems like after applying, to let the product air dry before putting a shirt on and going on with your day. After that, it seems like the product smell dissipates.
It is quite pricey compared to the standard store bought products, but so far it works very well while not irritating my skin as my other deodorant/antiperspirant did. After a few more weeks of regular usage, if it still works very well, i think i may purchase some other fragrances as well.
- Reviewed in the United States on March 4, 2024Scent: Fragrance FreeVerified PurchaseAfter having my 1st baby & dealing w the postpartum b.o to the point not one single deodorant would work for me anymore. I tried all kinds from natural to regular deodorant, mens even prescription deodorant literally nothing helped. I came across this after about a year of searching & it has seriously done wonders! After tonsss of research I learned bo comes from bacteria from the sweat. This deodorant is an aha & bha liquid roll on (aha/bha kills bacteria) so it prevents the smell it also helps with the sweat. And on top of that the ingredients lighten & brighten the skin so that’s a plus & it’s a cleaner brand of deodorant. It is also active ingredients so if you shave/wax wait a day in between because it will be red & irritated. It does take a few mins to dry & does have a light scent (even the fragrance free one) they all initially have the same scent the fragrance free one is a little more mild but it’s not bad. But overall 10/10 recommend
5.0 out of 5 starsAfter having my 1st baby & dealing w the postpartum b.o to the point not one single deodorant would work for me anymore. I tried all kinds from natural to regular deodorant, mens even prescription deodorant literally nothing helped. I came across this after about a year of searching & it has seriously done wonders! After tonsss of research I learned bo comes from bacteria from the sweat. This deodorant is an aha & bha liquid roll on (aha/bha kills bacteria) so it prevents the smell it also helps with the sweat. And on top of that the ingredients lighten & brighten the skin so that’s a plus & it’s a cleaner brand of deodorant. It is also active ingredients so if you shave/wax wait a day in between because it will be red & irritated. It does take a few mins to dry & does have a light scent (even the fragrance free one) they all initially have the same scent the fragrance free one is a little more mild but it’s not bad. But overall 10/10 recommendBest deodorant for that postpartum BO!
Reviewed in the United States on March 4, 2024
Images in this review
- Reviewed in the United States on March 10, 2025Scent: Fragrance FreeVerified PurchaseI'm a guy who's trying to find a decent natural deodorant so I gave this unscented roll-on a try. And it does work under certain conditions. One of those conditions being that you don't sweat too much. In the winter if you wear warm clothing it will work for a few hours, but at around the 4 hour mark you'll notice a smell when you take off your sweater. It's a weird smell made up of your body odor and the strange, unpleasant smell of this "unscented" deodorant. So one pro is that it does work, but only for about 4 hours in my experience. The deodorant will leak out of the roller if you turn it upside down so it's best to shake the bottle with the cap on and then apply it to your underarm right side up. The cons are the very off putting smell of the unscented version, the price, and the information on the packaging is so small you need a microscope to read it.
- Reviewed in the United States on January 22, 2025Scent: Serene CleanVerified PurchaseThe truth isn't what a lot of people want to hear when theyre looking at the reviews for a product they want to change their life. My truth is that this product didn't work for me, and couldn't keep up with sweat from needing to wear heavy sweaters everywhere in the winter. The design is very nice and I like the rollerball application, but at the end of the day I am still smelling. It takes a very long time for the product to dry, so if you are trying to start your day it's not at all pragmatic to wait for your armpits to air out. In reading some other reviews, it seems like maybe the formula is inconsistent- some people have a very runny applications and others can't get their product out of the tube. Just a week ago, I tried to dispense the product as instructed and the rollerball popped out, leaking the product everywhere. Anyways, I really wanted to like this product, but the truth is, it just didnt work at all as a deodorant, and it was very expensive for a flop. I didn't notice any changes in my skin tone from this product.
- Reviewed in the United States on September 9, 2024Scent: Fragrance FreeVerified PurchaseI have used natural deodorant for years, years! I’m postpartum and literally am applying 8+ times a day and still smell. Then I got this deodorant recommended from a friend. I apply once and literally never smell all day. I go 8+ hours juggling 2 kids in 100 degree weather and don’t smell. It is so impressive. No residue on clothing, it’s a little wet at first application but does not stay for longer than 19 seconds. So easy to use, I like the packaging. I don’t know how it makes me not smell when it has zero fragrance. I’m more than impressed.
- Reviewed in the United States on September 25, 2024Scent: Beachy CleanVerified PurchaseI feel like this is not getting the hype it deserves! I have gone through EVERY deodorant and I am a smelly and sweaty girl lol I apply this in the morning and it last all day. I am shocked after the gym and sweating all day I still don’t smell! It goes on wet so just let it dry but it doesn’t get on clothes and doesn’t leave you sticky. I’ve used this for about a month and I will be repurchasing!
Top reviews from other countries
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Manal M.Reviewed in Saudi Arabia on December 27, 2024
5.0 out of 5 stars ممتاز
Scent: Fragrance FreeVerified Purchaseحلوووو مره
مشكلته الوحيدة انه يطول على ماينشف لانه رول سايل
وريحته مش ولا بد بس على الجسم حلو جدًا ماله ريحة ولا لون مزعج ومفعوله يستمر مدة طويلة
انصح بإستخدامه
-
AzzahReviewed in Saudi Arabia on November 6, 2024
4.0 out of 5 stars جيد جدا
Scent: Serene CleanVerified Purchaseرائع فقط التدفق جدا كثير
يمنع الرائحه وسهل الاستخدام
لكن لابد من اعادة تطبيقه مرة اخرى خلال اليوم
إذا كنت تعاني من شدة التعرق
- ShelleyC07Reviewed in the United Arab Emirates on September 7, 2023
4.0 out of 5 stars Its good enough
Scent: Fragrance FreeVerified PurchaseIm glad i chose the unscented, but the consistency is watery and i might finish this one sooner... hope the brightening the skin claim is true, not seeing result yet, but overall its ok
- ZoyaReviewed in the United Arab Emirates on November 15, 2024
1.0 out of 5 stars opened package received
Scent: Serene CleanVerified PurchaseI had to return it as it was an opened package received. The fact that I was unable to use it disappointed me, even though I was eager to use and review it.
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