Spider veins, you know you've got them when you see little purple or red spider webs spread out across your skin. It can be a shock the first time you see a cluster of them but don't worry. These little veins may be unsightly, but they usually don't cause any harm. And they can be removed if you don't want them hanging around on your skin. Want to know more about spider veins and spider vein removal? We're here to answer your spider veins FAQs.