There are safer products that don't contain ingredients linked to the "C" word.
Be prepared for a steeper price tag. Eco-friendly deodorants will run you about seven dollars a stick (not $17). And you might need to try two or three before landing a brand that works with your body chemistry.
I suggest asking stores for samples, or buy the travel-size so you can test and review. Either way, replacing your personal-care products with safer alternatives is a worthwhile endeavour.
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For nontoxic pit sticks, shop for products without parfum (or fragrance), siloxanes and PEGs. These were the three most commonly found ingredients in deodorants and antiperspirants when the David Suzuki Foundation asked Canadians "Are the Dirty Dozen in your products?"
The concern with PEGs is contamination with 1,4-dioxane. The International Agency for Research on Cancer calls 1,4-dioxane a possible human carcinogen. It's also persistent, which means it doesn't readily break down in the environment. This increases the potential for exposure.
Try the online Skin Deep Cosmetics Database, which ranks and rates more than 69,000 products from shampoo to baby butt balm. Or, in 15 minutes, you can make your own Queen of Green Don't Sweat It Deodorant Balm.