The cell membrane's main trait is its selective permeability, which means that it allows some substances to cross it easily, but not others. Small molecules that are nonpolar (have no charge) can cross the membrane easily through diffusion, but ions (charged molecules) and larger molecules typically cannot.
Remove dead skin from hands and feet. The basic way to exfoliate hands and feet begins with keeping them in warm soapy water for at least 15 minutes. You will notice that your skin has become ultra soft. Now the time begins to exfoliate your hands and feet. Apply the scrub to skin and rub it for 15 minutes.
Below are some tips on how to get rid of smelly, sweaty feet: Wash Your Feet. This may seem like a given, but it is one of the most important things that you can do to treat this embarrassing problem. When you wash your feet, you remove bacteria that can cause odor. You also remove dead skin cells.