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Light Brown Highlights Hair 9kho: The 2026 Professional Colorist Guide

"The search term "9kho" within the context of light brown hair highlights refers to a specific colorist shorthand designation commonly found in professional salon inventory management systems for Level 9 Khaki/Ash-Neutral light brown-blonde tones. This guide addresses the technical application, formulation, and maintenance required for achieving this precise aesthetic in 2026. Mastering the 9kho Color Profile In professional hair color theory, 9kho represents a Level 9 (very light blonde) base with specific Khaki (green-based) and Olive undertones. When applied as highlights to a light brown base, this shade functions as a neutralizing agent,..."

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