It is 100% effective. Ideal for sensitive skin contains no aluminium chlorohydrate / chlorhydroxide. Natural Mineral Salts.
Crystal Deodorant »
"At first I considered putting what looks like a rock under your arm to be quite strange - however now the very idea of pulling out a aerosol can and blasting your armpits with it is just plain wrong. - This deodorant is great, its natural and is widely recognised as being an effective safer alternative."