About Théorique

What we make

Théorique Déodorant N°1 is a natural deodorant cream for people who train. A PhD biochemist formulated it in Canada over 47 formulations, and 500+ athletes tested them. No aluminum, no baking soda, no fragrance. It's a deodorant, so you'll still sweat. It works on the bacteria that cause odor.

Who it's for

People who train: runners, lifters, CrossFit and Hyrox athletes, and anyone who wants a deodorant without aluminum, baking soda or fragrance.

Our guarantee

100% stink-free in 30 days or it's free.

Refund policy

Not for you? Full refund within 90 days.

How to use it

A short guide: How to use Déodorant N°1.

Sizes and where we ship

Déodorant N°1 comes in a 40 g jar. We ship to Canada and the United States.

Learn more

Our blog answers common body odor questions with sources: the Théorique blog.

Contact

Théorique, 3 Pl. Ville-Marie, Suite 400, Montreal, Quebec H3B 2E3, Canada · +1 (929) 581-8060 · Contact us

FAQ

Yes. The silver and zinc keep working all day long. We tested it in 90-degree heat, during intense workouts, and through stressful days. It held up every time.

Yes. This is a whole body deodorant. Use it anywhere you experience odor: underarms, feet, groin, inner thighs, under breasts. The same bacteria cause odor everywhere. The same formula neutralizes them everywhere. Many people use it for multiple areas.

No. There's no baking soda and no essential oils. We tested it on 50 people with sensitive skin. No reactions. If your skin couldn't handle other natural deodorants, this one is different.

The 40g jar lasts 3 months on average, with daily use. The 10g travel jar lasts 3-4 weeks. You only need a pea-sized amount per underarm.

100% stink-free in 30 days or it's free. To claim it, reply to your order email with your order number. Any other reason it's not for you? Full refund within 90 days.

No. We're completely cruelty-free and vegan-friendly. Formulated in Canada.

Not straight after. Don't apply on broken, irritated or freshly shaved skin. Wait until the skin has settled (for example, shave the evening before, or apply the next morning).

Silver is used in wound dressings, and the silver in Théorique is non-nano. Zinc oxide is a common ingredient in skin products. If you have a skin condition or concerns, ask your doctor first.

No. When applied to clean, dry skin and massaged in properly, it won't transfer to or stain clothes. Let it dry for 30 seconds before dressing.

Start with a pea-sized amount per underarm. Apply to clean, dry skin and massage until barely visible. Everyone's bacteria density is different, so you may need slightly more or less. Most people find their ideal amount within the first few uses.

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