Mixing Guidelines & Ratios for NXT Permanent and Semi-Permanent Colour
To make things easier for you, NXT has put together all the details you will need to use NXT permanent colour and NXT semi-permanent colour into two separate downloadable documents.
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
Click on the links below to download your files.