Add hair color to that list, too. Calico hair is familiar for millennials, as it’s a recycled trend from chunky highlights of the early aughts, says Ryan Dickie, a colorist at IGK Salon Miami.

While your haircare regimen might not evolve as much as you age, you may want to reconsider what hair color you ask for at ... hues that are cool, creamy, and reflective are often thought of ...