

Over 1,000+ Daily Customers.
5 Reasons You'll Never Go Back After Trying No. 3161 Deodorant
Created by Sloane Stephens, trusted by athletes, adopted by skincare lovers.
SHOP NOW →

1.
IT ACTUALLY WORKS (WITHOUT THE NASTIES)
Say goodbye to white marks, harsh fragrance, and irritation. No. 3161 is a fragrance-free, clinical-strength formula that fights odor all day long—without compromising on skin health.
“SO SILKY!”
Lauri G.
Verified Buyer
“So silky, soft, light and smooth. I never feel like I’m wearing foundation. It blends like magic ! I’ve tried MANY foundations. Will never use anything else again. A beautiful and dewey young look for this 58 year old.”

2.
SCIENCE-BACKED. SKIN-LOVING.
This isn’t your average deodorant. Our formula is powered by Mandelic Acid, Lactic Acid, and Chamomile—a blend clinically shown to reduce odor, soothe irritation, and support your skin microbiome.
“MUST HAVE!”
Kylene A
Verified Buyer
“Love this foundation - will definitely continue to reorder. It has a light to medium coverage that perfectly blurs any imperfections, but still looks natural and feels moisturizing to wear.”

3.
CREATED BY SLOANE STEPHENS HERSELF
Designed from scratch by elite tennis athlete Sloane Stephens, No. 3161 meets the standard of high-performance women everywhere. Whether you’re running sprints or running errands, this deodorant has your back.
“BEST FOUNDATION FOR MATURE SKIN!”
Kat W.
Verified Buyer
“This is the only foundation I have found that feels and looks dewy on my 60 year old skin. All others look cakey and emphasize all my lines and pores. I love this product!”

4.
NO FRAGRANCE. NO STAINS. NO DRAMA.
Fragrance-free means no clashing with your perfume, and the invisible gel texture means zero white cast—on any skin tone or outfit.
“MOISTURIZING, NATURAL FINISH!”
Betsy H.
Verified Buyer
“Love this product. Coverage is very natural, and the moisturizing formula feels great on my dry skin.”

5.
IT’S MORE THAN DEODORANT—IT’S DAILY CARE
No. 3161 is a treatment for your underarms—not just a quick fix. With regular use, skin feels softer, smoother, and less prone to irritation. It’s skincare for your pits.
Did we also mention it's a refillable glass bottle?
“AMAZING!”
Anneka A.
Verified Buyer
"A little truly goes a long way with this one. Love how it blends well, keeps face moisturized and adds a very natural glow.”
SHOP NOW →





As Featured In






Frequently Asked Questions
Here’s what we get asked most often

Ready to Switch?
Join thousands who’ve made the swap. Try our No. 3161 Deodorant and feel the difference for yourself.
SHOP NOW →