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.
Common causes of skin changes include: 1  Skin puckering or dimpling. 2  Skin puckering or dimpling can be caused by scarring from a previous operation or infection, but in the majority of cases, no specific reason can be found. 3  Most often it is not a sign of underlying cancer, but should be evaluated with exam and imaging.