brimstone - an old name for sulfur. native sulfur, native sulphur. atomic number 16, sulfur, sulphur, S - an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
These patches of red, and sometimes irritated or itchy, skin can appear anywhere on the body, but they are most commonly found on the arms, neck, and face. These blotchy patches can be caused by a variety of factors, such as weather, genetics, allergies, or environmental conditions.
White patches that develop on many areas of one's skin are usually caused by vitiligo. Causes: Vitiligo is a condition characterized by the loss of skin pigment called melanin, which is normally produced by cells called melanocytes. Discoloration is caused by the destruction of the melanocytes, but the exact cause is not known.