Why do deodorant companies make products that don’t leave white marks, but don’t apply that technology to their entire range?
In: Economics
The white stripes are caused by the active ingredient of the deodorant, Aluminium salt.
The salts dissolve in the sweat or moisture in the underarm. The dissolved substance forms a gel, which creates a temporary ‘plug’ in the sweat gland, reducing the amount of sweat that can rise to the skin’s surface. Aluminium salts are also natural antimicrobial agents, so they control bacteria on the skin, reducing unpleasant odours.
(source: [https://www.unilever.com/brands/Our-products-and-ingredients/Your-ingredient-questions-answered/Aluminium-salts.html](https://www.unilever.com/brands/Our-products-and-ingredients/Your-ingredient-questions-answered/Aluminium-salts.html))
Without these salts, the glands don’t get shut off, so other means of hiding your body odor has to be applied. Some work, some don’t.
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