Deo Pure Invisible Roll-On 48-HOUR INVISIBLE ROLLER DEODORANT Biotherm Deo Pure Invisible deodorant is available in the form of a roller that does not leave traces on clothes of any shade. One of the best antiperspirants in the series eliminates unpleasant odors by controlling perspiration, ensuring freshness for up to 48 hours. When applied to sensitive skin or used after depilation, there is no danger of irritation: the deodorant does not contain alcohol.