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.
Wash your feet with antibacterial soap and dry them thoroughly, especially between your toes. 1  Use clean towels each time you wash to avoid reinfection from dirty towels. 2  Apply antifungal foot powder between the toes and around the foot. 3  Trim nails short and keep them clean, especially in cases of toenail fungus.his common infection affects the skin of your toes and soles. Because feet come into contact with floors used by many people (at home or in a sports facility), the infection can be spread easily and quickly. 1  Donât share shoes or towels with anyone.