3 / 16

Chrissy Teigen

At the 2017 Tony Awards, Chrissy Teigen showed up with noticeably darker and glossier strands. But the subtle golden lowlights scattered throughout come from using a coloring technique known as painting, which requires free hand and brush work as opposed to meticulous foiling. In order to keep the lighter ends from showing any damage, seal in a blow-dry with a serum like Fekkai Blowout Sealing Serum ($20; fekkai.com)

These Are the 15 Best Hair Colors for Fall 2017

When the temperatures drop, it's a great time to do a deep-conditioning treatment—and freshen up your own color, too.

From Redbook