Colour Convert (2%) has the ability to convert any Couture Silk Permanent colour to a tone on tone Demi Permanent in 20 minutes.
Colour Convert reduces the alkalinity and therefore reducing the lift to the natural hair.
Use for colour balancing mix 1:2 and visually process or an ideal developer for toning with LH Toners
Why not try Colour Convert with Twilights collection for richer grey tones.
Mix and Process
1:2 up to 20 minutes
Note: Can be applied to pre shampooed hair if desired.