The Twin Turbo 3200 is hands-down Crace’s favorite blow dryer for anyone, including those with frizzy hair. “You’ll likely ...

But when it comes to springing for that negative-ion generator you saw advertised in the local paper or on the web, buyer beware, says Columbia's Terman.

The Jackery Explorer 3000v2 improves upon nearly every aspect of its previous generation, with new features and faster charging.

Despite its affordability, it features an H11 HEPA, an active carbon filter for efficient air cleaning, and a negative ion generator for fresher air.

However, they need frequent replacement to stay effective. Ionisation Technology: Necklace purifiers often use negative ion generators to bind particles together, causing them to drop out of the air.

And because it has a negative ion generator, it gives hair a super-smooth finish sans frizz. Features: Ceramic base and heated bristles, Negative ion generator, flexible teeth to grip hair ...

An ionic generator increases negative ion output, resulting in shiny, smooth, frizz-free hair with no static. The tool heats up to 356°F (180°C), making it effective for all hair types and textures.

A new way to firm up the world’s electricity grids is fast developing and could be a game-changer – enabling our grids to run on 100% renewables.