Zero baking soda
The #1 cause of natural-deodorant rash, eliminated entirely.
No aluminum. No baking soda. No reaction. A one-ingredient crystal deodorant for underarms that are tired of complicated formulas.

The problem usually isn't "natural" — it's the supporting cast. Baking soda raises the skin's pH and triggers rashes. Essential oils sensitize the skin over time. Coconut oil and starches can clog. Our crystal deodorant has none of that. It's one mineral salt, full stop.
The #1 cause of natural-deodorant rash, eliminated entirely.
No essential oils, no perfume, no hidden 'natural fragrance' blends.
Potassium alum. That's the full formula.

Use the stone or spray after showering, when odor-causing bacteria are easiest to stop.
It neutralizes odor at the source without blocking sweat or masking with heavy fragrance.
No white residue, no sticky layer, no overbuilt formula.

One mineral salt. No aluminum, no baking soda, no fragrance.
Liquid error (sections/vasarii-vertical-landing line 201): Invalid form type "template--21022591680669__main", must be one of ["product", "storefront_password", "contact", "customer_login", "create_customer", "recover_customer_password", "reset_customer_password", "guest_login", "currency", "activate_customer_password", "customer_address", "new_comment", "customer", "localization", "cart"]Baking soda is alkaline. Skin is slightly acidic. Daily contact disrupts the skin barrier and many people develop redness, peeling, or contact dermatitis.
Yes — but understand the difference. It neutralizes odor-causing bacteria. It doesn't block sweat. You'll sweat normally and not smell.
Yes. Single ingredient, no fragrance, no preservatives, no dyes.
Wet the stone, swipe under each arm for about 30 seconds. Let it air dry.
One ingredient. No reaction. No exceptions.
Try the Stone