Based on current research for minerals (known as ammonium alum from the era of the Roman Pliny - 100p.Ch.) Optima perfected the method of their physical processing (cutting and polishing) for their use. Deodorant Ice Guard Twist Up acts against bacteria on the skin surface without being absorbed, and thus effectively prevents the odor without inhibiting the beneficial for the organism process of perspiration as it does not block skin pores. At the same time, it creates a natural protective filter enabling the skin to breathe and thus keeping the feeling of freshness all day. It can be used in other areas of the body that exhibit profuse sweating as well as shoes. • 100% natural hypoallergic product • Without perfumes and other additives • Contains no alcohol • Does not contain Aluminum Zirconium Aluminum and Chlorohydrate • Does not stain clothes and does not leave white stains on skin • Suitable for sensitive skin • Economic • Environmentally friendly