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.
Scrub your skin with the sugar. Scoop out 1-2 tablespoons (15â30mL) of your sugar exfoliant onto your fingertips. Place this on the location you want to remove dead skin, and being scrubbing in a circular motion. Do this gently for 2-3 minutes to remove the dead skin.f your face is dirty, clean it with mild soap and warm water. Otherwise, just make sure that your skin is completely wet, so the sugar scrub will not feel too abrasive. 1  Wash your hands as well to avoid introducing contaminants onto your face.