Frostbite
Frostbite occurs mainly during cold and wet periods, moisture is an important factor but must be combined with the cold.
Winter is their favorite season. They are also favored by poor peripheral circulation.
Frostbite affects young people, especially women.
Frostbite affects mainly the hands, feet, nose and ears.
The affected areas are red, purplish, and swollen, and give severe or even unbearable burning or itching pain.
It's my hand on the photos
As far as I'm concerned, the only hands and feet that are touched.