Artificial methods Edit. For crystallization (see also recrystallization) to occur from a solution it must be supersaturated. This means that the solution has to contain more solute entities (molecules or ions) dissolved than it would contain under the equilibrium (saturated solution).
Yep, good old water will instantly tighten your skin if it is cold enough. Fill a basin with half ice and half water. Submerge your face for about 10 seconds and pat dry. You skin will take on a pink hue and your pores will be closed. You can also use this trick to dry nail polish instantly.
Look for products containing vitamin A, vitamin E, and collagen, all of which help tighten the skin. 1  Apply the cream or lotion at least once a day, concentrating on the areas that need tightening. 2  Aloe is a great natural skin tightener; look for lotions that contain it, or apply pure aloe to your skin. Work your way from your feet to your thighs, then from your hands to your shoulders, always brushing toward your hands in the direction your blood circulates. 2  Concentrate on areas where your skin is loose. 3  Don't forget your stomach and buttocks.