24 Hours**in vivo test, 20 subjectsBionsen Deodorant: specially formulated with Japanese Thermal Minerals to prevent unpleasant odours. Gently deodorises even the most sensitive skin, without preventing perspiration. For a freshness that lasts all day.Bionsen takes its inspiration from Japan. Natural thermal springs, called onsens, occur throughout Japan. Often based in beautiful natural surroundings, they are havens of peace, and a place of ritual relaxation. Many of the thermal springs are rich in important mineral, or ‘bio-elements', which have proved important in skin well-being.The name Bionsen comes from these two elementsBio - short for bio-elementsOnsen - Japanese thermal springsJapanese Thermal Minerals, 0% aluminium silicone colourants parabens, Sensitive Skin, The Original 0% Aluminium, Aluminium Free, Dermatologically Tested, Paraben Free