gradation hair color; ombré hair
Refers to hair coloring that gradually transitions from one shade to another, typically from darker roots to lighter ends.
I want to try gradation hair color this summer.
Her ombré hair looks very natural and beautiful.
Variant with interpunct; less common in running text.
Wasei-eigo (Japanese-made English) combining 'gradation' and 'color', referring specifically to gradient hair coloring.