Natural 24 hr odor protection. Deodorant Crystal. Hypoallergenic. No aluminum chlorohydrate. Fragrance free. Clinically proven 24 hour odor protection. How does it work? Zinc Citrate. Potassium Alum (also known as potassium aluminum sulfate). What makes a product natural and good? At Tom's, it includes how we make it. No animal testing or animal ingredients. Cruelty free. No artificial colors, flavors, fragrance or preservatives. We share every ingredient, its purpose and its source at www.tomsofmaine.com. Sustainable practice are a priority in every aspect of our business. we strive to maximize recycled content and recyclability of our packaging. 5% (12 days) of employee time to volunteering. 10% of profits to human and environmental goodness. Learn more about our Stewardship Model and what natural means for Tom's of Maine ingredients and their processing at: www.tomsof main.com. Made in Canada.