Popsugar Beauty Hair Dopamine Hair Colors Are Trending "Dopamine Hair" Is Taking Over Hollywood September 27, 2023 by Ariel Baker View On One Page Photo 3 of 6 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Hayden Panettiere (@haydenpanettiere) Share This Link Copy ← Use Arrow Keys → 3 Hayden Panettiere's Watermelon Dopamine Hair Color Hayden Panettiere revealed her first foray into color in quite some time, with a gorgeous green-and-pink gradient look, which was coupled by curtain bangs. Previous Next Start Slideshow HairHair TrendsHair Color