And the process is quite easy.
All you need to do is put the small hole of the syringe over the splinter and quickly pull the syringe plunger out so that the suction pulls the splinter straight out, painlessly.
Claire's post has been shared over 82,000 times on Facebook with many friends praising the mum for sharing her "clever" idea.
"We needed this last week," one friend said.
Another shared, "That's an awesome idea."
Claire revealed that her hubby Chris came up with the idea and they've been using the handy hack for years.
"Saves so much time, and well worth seeing the kids smile at the end of it rather than red faces and tears!" she added.