Crystalline Potassium Alum is a naturally occurring crystalline salt that has strong antibacterial and astringent effects and thus prevents the formation of unpleasant underarm odour. It is hypoallergenic and fragrance-free, does not block the natural secretion of sweat and does not leave traces on clothes.
Even with daily use it lasts a long time, it seems to hardly fade. Being fragrance-free, it is suitable for both men and women.
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