Showcasing an ash blonde hair color is the perfect mix of cool and sophisticated, like the effortlessly chic fashion intern in a 2000s rom-com—always polished without trying too hard.

If you're looking to brighten or tweak your existing blonde, then we've got the best semi-permanent, demi-permanent, and permanent blonde hair dyes to help you.

Case in point: dirty blonde, as seen on Gisele Bündchen, at the Met Gala of all places. "Most of my blonde clients are ...