Spider Veins, Skin Tags, and Age Spots – Oh My! These pesky skin irregularities can show up at any age, and for that matter – anywhere on the body. At some point, many of us will notice a brown spot, spider vein, skin tag, or some other irregularity pop up on our skin. They can make you feel very self-conscious and less confident in yourself when they occur on the face, neck, chest, or other more frequently exposed areas.