For splinters, clean the affected area with soap and water, dip the Tweezers in alcohol to sterilize, use needle points of tweezer to grab the splinter and back it out gently.
After particle is removed, disinfect area with hydrogen peroxide. If dirt is involved, consult doctor regarding tetanus. To remove ingrown hairs, wash area with soap and water, dip tweezer in alcohol to disinfect, and use tip of tweezer to isolate the ingrown hair. Tweeze hair out gently in the direction of hair growth.