Natural deodorant has a slightly unfair job.
People expect it to:
stop sweat
stop smell
last 48 hours
never irritate
leave no residue
and somehow do all of this while containing four ingredients you've heard of.
Meanwhile, most natural deodorant isn't actually trying to stop you from sweating.
That's the first thing to understand.
Deodorant and antiperspirant are different
Antiperspirant is designed to reduce sweat.
Deodorant is designed to reduce odor.
Those aren't the same problem.
I personally don't have much interest in shutting down sweating.
Sweating is normal.
Your body uses it for thermoregulation, and your underarms are one of the places where sweat naturally happens.
What I want is much simpler:
sweat without smelling terrible.
Sweat itself isn't necessarily what smells
Fresh sweat is not the same thing as body odor.
Your underarms are home to a community of bacteria.
When sweat and other compounds from the skin reach the underarm, certain bacteria metabolize them and produce volatile compounds.
Those are what create the smell we recognize as B.O.
So the deodorant problem is partly a microbial and chemical environment problem.
That's useful because it means you don't necessarily have to stop sweating to change the odor.
Natural deodorants usually work by changing the environment
Different formulas do this differently.
They may:
- change underarm pH
- reduce moisture
- alter bacterial activity
- absorb odor compounds
- make the area less favourable to odor-producing bacteria
- add ingredients that mask odor
Some formulas use baking soda.
Some use magnesium.
Some use acids.
Some use starches, clays or zinc compounds.
There isn't one universal natural-deodorant mechanism.
What about magnesium?
Magnesium is my favourite approach.
Partly because I've had such good results with it personally.
Magnesium salts change the local underarm environment in a way that can make odor much less noticeable.
And unlike an antiperspirant, the goal isn't necessarily to create a completely dry armpit.
You can still sweat.
You're just changing what happens afterward.
That distinction makes sense to me.
Why do some natural deodorants work for one person and not another?
Because everybody's underarm ecosystem is different.
Different bacteria.
Different sweat.
Different hormones.
Different clothing.
Different activity levels.
Different diets.
Different grooming habits.
And your own underarms can change over time too.
So I don't think a deodorant failing means natural deodorant doesn't work.
It means that formula didn't work particularly well for your current underarm environment.
Try another mechanism.
Natural deodorant can still irritate
Natural does not mean irritation-proof.
Baking soda is probably the classic example.
It can work extremely well for odor and still make some people's underarms red, itchy and furious.
Essential oils can irritate too.
So can fragrance.
Even magnesium can sting freshly shaved or compromised skin.
The best deodorant is not the strongest formula you can endure.
It's the one that controls odor without creating another skin problem.
The goal doesn't need to be perfection
I think deodorant marketing has made us weird about being human.
You are supposed to sweat.
You are sometimes going to smell more after:
exercise
stress
heat
hormonal shifts
wearing synthetic clothing all day
That's normal.
I don't need my deodorant to convince me that my body has ceased functioning.
I just want it to make normal body odor manageable.
That's what a good natural deodorant should do.
The one we make is Mag Stick. For the story of how magnesium fixed mine, read Natural Deodorant: Why Body Odor Is a Signal (and How Magnesium Fixed Mine).