The 10 Least-Damaging Box Hair Dyes The Overall Best Permanent Color: REVLON Colorsilk. ... The Runner-Up: Garnier Olia. ... The Best Demi-Permanent Color: Clairol Natural Instincts. ... The Best For Natural-Looking Dimension: L'Oreal Paris Feria. ... The Best For Touch-Ups: L'Oreal Paris Magic Root Rescue. More items... May 30, 2020