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.
As skin diseases go, skin fading is also known as vitiligo, which is a process that begins to occur when the skin loses melanin â the pigment that gives skin its color. Loss of melanin, which often happens in uneven patches, as opposed to a blended overall loss of pigment, can cause splotchy skin or discoloration.