Hey, Weather. SOMETIMES, they might make their up towards the top to where they're easier to get. (And I don't mean to say anyone's not telling the truth here), but I've never seen any that actually work themselves out. What I've always done was sterilize a straight pin (or safety pin) and tried to pull back some of the skin, then put some peroxide on it. If they're really deep, you may have to do this for several days. The peroxide helps to "boil" them up to where you can get to them with tweezers and lift them out. That's the way my family's done it for generations. Of course, it goes without saying, don't dig too deep into the skin. Just make really sure you're right over the splinter. But if you don't get them out, they can actually cause an infection and then you'll have to go to the doctor, get antibiotics, etc.
sometimes they surface ,lil by lil.. but u might wanna grab a thin niddle and lightly scab aroundbit ,eventually the skin starts peeling and u should be able to remove it on your own.. leaving it in there may cause iffection
Soak whatever part of your body has them in soapy water, like a bubble barber for example, and it will loosen them up a bit. I wouldn't worry about infection unless the wood they came from was rotting or had someone else's blood on it or something.