So you've decided to paint your nails. You're kind of a pro, so you moisturize, swab your nails with alcohol, push back your cuticles and get to work. Base coat. Two coats of color. Top coat. Wait for ...

From opening lids to digging in dirt, your fingernails are part of a lot of tasks. This makes the nails a common spot to find dirt, bacteria, lint, dead skin cells, and other unwanted material.

People can clean both their fingernails and toenails. Usually, this will involve using sterile nail clippers, soap, water, and a soft nail brush to help remove material from under the nail.

Nails get dirty faster than most people notice. A normal day is enough: peeling fruit, typing on shared keyboards, packing bags, opening parcels, even just walking around the house. Dirt slips ...