We all encounter gels in daily life-from the soft, sticky substances you put in your hair, to the jelly-like components in ...

Celebrity manicurists explain the difference between various devices, and share their top tips for choosing a reliable one ...

This process is pretty similar to getting gel nails, except you swap out the nails for hair. "To do UV hair extensions ... fullness if you have naturally thin hair. Plus, it never hurts to ...

The UV-radiation from the lamp causes the individual molecules to bind together so that everything becomes an elastic solid -- a gel,' Liang explains. 'Entanglement means that the thin polymer ...