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.
Just soak your feet in it for about 20 minutes then use a pumice stone to gently scrub off the loosened dead skin cells. Wash the feet afterwards and apply some foot cream or moisturizer and wear a pair of clean cotton socks overnight.ou may use a pumice stone to get rid f the dead skin. And put your feet back in the Epsom salt soak for another 10 minutes. After that dry your feet and apply any moisturizer. Repeat daily for two or three days.