L Oreal Paris Colorista Bleach Female Semi Permanent Color Ombre Bleached hair means lighter hair. The best bleach for hair styles Colorista hair bleach lets you lighten all over get gorgeous highlights or create the ombre hair perfect for customizing your look. This bleach acts as a hair lightener to let those Colorista shades pop! Once your strands are lightened play your way with Colorista Semi-Permanant Color.