NIVEA Anti-Perspirant Deodorant Roll-on Double Effect effective protection and smooth underarms for 48 hour sweat and odor protection. Double Effect Anti-Perspirant Deodorant offers both, effective protection and smooth underarms. The double effect formula allows for a closer shave by keeping skin smooth and soft while keeping you fully protected against perspiration. It protects you for 48 hours against sweat and body odor with its caring ingredients for soft feeling skin. The deodorant is skin tolerance dermatologically approved and is completely alcohol-free, so it is also very gentle on your skin. NIVEA Double Effect is available in different sizes.