Topchic is a permanent oxidation coloration. An emblematic and truly intelligent coloring system that guarantees intense colors full of brightness in all its dimensions.
| Result | Topchic lotion / volume | Lotion: color ratio |
| No rinse | 10 vol. 3% | 1:1 |
| 1 level of rinse; gray coverage; tone on tone coloring | 20 vol. 6% | 1:1 |
| 2 levels of lightening (shades 2-10) | 30 vol. 9% | 1:1 |
| 3-4 levels of lightening (shades 2-10) | 40 vol. 12% | 1:1 |
| 3-4 levels of lightening (shades 11-12 highlift color) | 30 vol. 9% | 2:1 |
| 4-5 levels of lightening (shades 11-12 highlift color) | 40 vol. 12% | 2:1 |
Colour | Application | Roots | Middle and ends |
Classic colors (shades 2-10) | First application | 20-25 min. | 5-10 min. |
Subsequent applications | 15-20 min. | 10-15 min. | |
High Lift color (tones 11-12) | First application | 30-35 min. | 10-15 min. |
Subsequent applications | 45 min. | --- | |
Neutralights - Highlift control dark hair series | First application | 15-20 min. | 10-15 min. |
Subsequent applications | 30 min. | --- |
