(1) Stay fresh and confident with Biotherm’s 48 H Day Control Stick. The non-stop anti-perspirant formula helps to keep the underarms dry, providing a shield of protection against the effects of humidity and daily activity.Smart Protect-Technology incorporates a unique complex of aluminium salts to minimise bacterial development and reduce underarm moisture, along with perlite, a smart humidity absorber with an ability to absorb more than 3.5 times its weight in water.Working to reduce sensations of dampness all-day-long, the stick deodorant boasts a gentle formulation, suitable for even sensitive skin types.