Biotherm Deo Pure Invisible 48h antiperspirantn with soothing complex, anti-white marks and yellow stains. The only trace left is a signature fragrance of subtle floral freshness. Biotherm Biotherm has been a pioneer of skincare since 1952. They are inspired by the power of the earth's living waters to develop advanced skincare solutions that work in affinity with your skin. The world's waters are rich with millions of microorganisms, plankton and algae with unique and powerful properties that offer new inspiration for science and beauty. Through our expertise in biotechnology, they infuse efficient aquatic extracts in fresh and pleasurable textures to make your skin look healthier and more radiant.