root touch-up編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看root touch-uproot touch-up — 名詞名詞1. A small correction applied to the roots of the hair after dyeing.1.名詞釋義髮根補染A small correction applied to the roots of the hair after dyeing.例句She scheduled a root touch-up before her vacation.