[:en]Hydration of scars helps to cells freely migrate and share the necessary information among each other.
In the recent past potassium permanganate solution (KMnO4) was commonly applied onto a fresh wound. An crusts subsequently developed under which a scar was starting to form. Nowadays there is no doubt that a rough scar is formed under the crusts. A wound should be healed in humid environment. A number of application products are used for wound hydration, capable of retaining liquid within the area of scar formation.
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