Oil Slick Is the Rainbow Hair Technique Brunettes Can Wear Everywhere you look this Summer, blondes have been sporting colorful hair shades — pastel pinks, vibrant blues, and even gray. But what about the la.s with mahogany manes?

Introducing "oil slick hair," dubbed by Aura Friedman of Sally Hershberger Salon, a beautiful style that applies jewel tones over darker hair, giving it an iridescent appearance. This is similar to the opal hair color trend, but its shimmery effect comes from blending darker shades rather than ultra-pale ones.

Oil slick color – Very subtle rainbow highlights for dark hair Find this Pin and more on BeautyFUL by aubreyslayton. Oil slick hair color – this is almost EXACTLY …

If you are a brunette and want those fabulous fashion colors that everyone has, oil slick hair color is the way to go with minimal damage. If you are a brunette and want those fabulous fashion colors that everyone has, oil slick hair color is the way to go with minimal damage.

Oil slick color is a style that applies a mix of dark blue, green, and purple tones over darker hair, giving it an iridescent appearance. This is similar to the pastel hair color trend, but its shimmery effect comes from blending darker shades rather than …

The oil slick hair trend is a fresh new take on the mermaid hair trend- but with a more pronounced sheen and set in dark hair. Ever looked at the gloriously colored plumage on a peacock and the iridescent neck feathers of a pigeon?