1 block odor not sweat The major difference between deodorant without aluminum and deodorant with aluminum is that the former blocks odor whereas the latter blocks sweat Sweat is our healthy way of cooling down the body, and sweat from our underarms is activated by the nervous system through the apocrine glands Deodorant makers put aluminum in their formulas, Massick explained, because it blocks the sweat ducts but doesn't penetrate deeper into the skin That makes it an effective antiperspirant 7It all started with deodorant PiperWai launched with the first naturally powerful, aluminumfree deodorant that uses activated charcoal to absorb wetness and fight odor Nourishing ingredients like organic coconut oil, shea butter, and pure vitamin E アルミニウム フリー デオドラント