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.
Melasma or Chloasma: Skin discoloration that appears as blotchy brown spots, often covering cheeks, forehead, or temples. This type of hyper-pigmentation can be hereditary, or triggered by hormonal changes such as pregnancy or menopause. The most common cause of skin discoloration is a result of sun exposure.