Deo Pure Invisible Roll-On 48-HOUR INVISIBLE ROLL-ON DEODORANT Biotherm Deo Pure “invisible” deodorant is available in roll-on form that does not leave marks on clothes of any shade. One of the best antiperspirants in the series eliminates unpleasant odors by controlling sweating, providing freshness for up to 48 hours. When applied to sensitive skin or used after depilation, there is no need to worry about irritation: the deodorant does not contain alcohol.