Osmo Ikon Colour Tone on Tone Enhancer revives and enhances color from roots to ends, in unison with Osmo Ikon's professional hair color system.

When mixed with Osmo Ikon permanent hair colour, Micro-Connective Technology (MCT) molecules are absorbed deep into the internal cortical hair fibers, ensuring that each hair strand is suffused with vibrant, lustrous colour.

• 15 minute development time
• Mixing ratio of 1 : 2
• Vibrant, lustrous colour covering up to 50% grey