The mildest form of cold injury is Frostnip, which usually affects the nose, ears, hands and feet. Frostnip is an injury to the skin surface that occurs during exposure to damp-cold air. Frostnip Symptoms Skin is firm to touch. Skin is white in color.
Skin is cold to the touch.
Frostnip Treatment Warming of the area by covering area with warm hands. If this condition is not treated, the symptoms become more pronounced. The injury progresses to the condition called Frostbite . Frostbite Frostbite occurs when continued exposure to the cold causes ice crystals to form in the fluid in the cells of the skin and tissue. Both of these tend to decrease the blood flow to the skin, thus increasing susceptibility.