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).
The egg white can be used to instantly tighten the skin on the face and neck. Apply a very thin layer for an instant face lift. Do not wash off; the protein will hydrate the skin as well and egg whites have no distinct smell.
How to thicken thin skin There are a variety of prescription and proprietary formulations that are directed toward increasing the collagen content, hence the tickness of the skin. Retinnol (vitamin A) and tretinoin (Retin A) are effective although irritating off of the face. and can only be used periodically except on the face.