Mixing Guidelines & Ratios for NXT Permanent Colour
To make things easier for you, NXT has put together all the details you will need to use NXT permanent colour in a downloadable document.
The information provided will give you information on the following topics:
- Mixing guidelines
- Processing times
- Regrowth application
- Colouring white or grey hair
- Mixing ratios
- Correctors, intensifiers and boosters
You can download a copy of the NXT Permanent Colour How to Use file by clicking the link below.