Further information about Whitening is below, or review more specific information about these types of Whitening: hypopigmentation, white patches, White Nails, White skin patches, Decreased pigmentation, Vitiligo, Uremic frost or other types.here are likely to be other possible causes, so ask your doctor about your symptoms. 1  Some causes of local whitening of the skin or white patches include: 2  Vitiligo-causing white patches. 3  Hypopigmentation. 4  Whiteheads. 5  Halo nevus-a pale mole with surrounding hypopigmentation.
Spider Veins. Spider veins, or telangiectasias, are small, thin, blood vessels visible beneath the skin. They appear most commonly on the face and legs and may look like a series of lines, tree branches, or a spider-or web-like shape with a dark center.
Both spider veins and dilated capillaries are caused by blood circulation problems and are significantly more common in women than in men. Spider veins generally appear on the back of the legs, especially behind the knees or thigh, on the bridge and sides of the foot and on the face.