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.
Use your jaw to help stretch it out further. Hold this position for 10 seconds then release and repeat 3 more times. Learning how to tighten facial skin through exercise will be your cheapest anti-aging tool yet and can truly help you shave years off your face.