Crystal deodorants – are they safe? - Hello Natural Living
Amazon.com : Vital Green Crystal Potassium Alum Deodorant – Unscented Mineral Deodorant For Men, Women And Athletes -3.53oz / 100 g (3 Units) : Beauty & Personal Care
Amazon.com : AnNafi® Alum Stone Block | White Alum Crystal Rock | Phitkari Crystal Stone of Alumbre | Natural Piedra de Alumbre Alum Stone | Shaving Stone Chunks | Tawas Stone Antiperspirant