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"I was really excited about this because I want a clean deodorant, but unfortunately, it didn’t even last a couple of hours. I was already smelling, so I think I’ll just have to go back to using my non-clean deodorant."
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A stain-free serum deodorant that features a unique AHA blend for the ultimate odor-fighting formula.
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Suitable for
All skin types.
Why we stand behind it
This clean, stain-free serum deodorant features a unique AHA blend that keeps you from smelling, but also visibly brightens the darker under arm area and helps with ingrown hairs. No aluminum. No baking soda. Only skin-nourishing ingredients.
Key ingredients
AHA blend for clean chemistry: Helps create a pH environment where it′s harder for the bacteria that causes body odor to survive.
Shikimic acid: A natural deodorizer derived from star anise.
Mandelic acid: A gentle AHA derived from bitter almonds that supports cell turnover to help address dullness and discoloration.
Lactic acid: Exfoliates while helping to improve the skin′s natural moisture factor, keeping the good moisture in.
this product meets
The Credo Clean Standard™
Every product we offer meets our industry leading standards for safety and sustainability.
learn moreThis product is
Cruelty Free
Vegan
Gluten Free
Alcohol Free
Paraben Free
Non GMO
An undertone is the color beneath the surface of your skin, which never changes (even with a tan). There are three types of undertones:
Pink/Cool
I see red or pink undertones around the perimeter of my face and neck.
My skin burns easily, but barely tans.
My skin looks better in silver jewelry than gold.
Neutral
I see both pink and yellow undertones around the perimeter of my face and neck.
My skin sometimes burns and sometimes tans.
My skin looks good in both gold and silver jewelry.
Yellow/Warm
I see yellow or golden undertones around the perimeter of my face and neck.
My skin rarely burns, but tans easily.
My skin looks better in gold jewelry than silver.
Find your shade match
Take our 1 minute quiz and get matched to real people with your skin tone and type.
Shake, roll, apply liberally.
Gently squeeze for more serum.
Precautions:
Apply under arms only.
Do not apply to broken skin.
If irritation occurs, discontinue use.
Notes of jasmine, sandalwood, and vanilla.
We co-founded the nonprofit Pact to demystify how to recycle your beauty packaging empties and divert waste from landfills.
How to recycle your empties
1. Disassemble and clean all components
2. Pick the right disposal bin
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create accountClean Makeup for Skincare Freaks. Welcome to next-level clean beauty that’s about revealing, expressing, and feeling comfy in your skin. It’s good makeup (not no makeup) that’s quick, easy, can’t mess it up. And it’s clinically proven to actually make your skin better, even when it’s bare. So you can look like your favorite self every single day.
SHOP ALL KosasOverall rating: 4.522124 / 5 from 113 reviews.
The Chemistry AHA Serum Deodorant Beachy Clean is a clean, stain-free deodorant with a unique blend of AHAs for odor-fighting and skin brightening. It is suitable for all skin types and features a pleasant scent.
Review topics: ["irritation","results","feels","scent","fragrance","residue","packaging","issues","formula","clothes","hair","buy","pores","works","deodorant","grail","application","brand","deo","roller","option","chemicals","5 stars","aha","armpits","stain","stays"].
"I was really excited about this because I want a clean deodorant, but unfortunately, it didn’t even last a couple of hours. I was already smelling, so I think I’ll just have to go back to using my non-clean deodorant."
— Mary P. (1/5)
"Prevents any smell. On hot days, I feel a little too clamy with it."
— Robin F. (3/5)
"The scent isn’t great. The function, meh there’s better out there."
— Cynthia (3/5)
"Love that I have no smell of pit or natural stank afer using it, and am not covered in perfume stench!"
— Taylour (5/5)
"LOVE this! I'd tried other non-toxic deodorants, but smelled awful by the end of the day. This deod works great, doesn't leave me stinky, and washes off well so I feel super clean."
— Ali F. (5/5)
"This is one of my favorite deodorants. It has a nice smell, works, and does not leave stains on my clothing."
— Rebecca M. (5/5)
"I really like the scent & feel like the product works however the packaging needs some work. Every time I use this, too much product come out."
— Kristina (4/5)
"I've tried so many different natural, "clean" deodorants and none of them have worked until this one. I'm obsessed with it."
— Leslie L. (5/5)
"Smells nice and a good clean option but it doesn’t perform miracles. That’s just what you get for a “clean” deodorant."
— Shamim S. (4/5)
"I bought this for my boyfriend. He loves it and I'm happy that he is using a natural deodorant that works. Great applicator!"
— Isa (5/5)
We offer clean beauty vetted to the highest standard.
We want to know where ingredients come from and how they were made.
Clean beauty should include the just treatment of humans and animals.
We co-founded Pact to tackle beauty’s packaging waste problem.
This product is: a clean, stain-free, baking-soda-free deodorant with a unique blend of AHAs for the ultimate BO-fighting treatment.
Good for: all skin types
Product description: Kosas Chemistry AHA Serum Deodorant is a clean, stain-free serum deodorant that features a unique AHA blend for the ultimate odor-fighting formula. Available in Beachy Clean (notes of jasmine, sandalwood, vanilla), Serene Clean (notes of citrus, ylang ylang), and Fragrance Free.
This AHA blend keeps you from smelling, but also visibly brightens the darker under arm area and helps with ingrown hairs. No aluminum. No baking soda. Only skin-nourishing ingredients allowed.
Benefits: Carefully selected AHA blend for clean chemistry: