SoColor Pre-Bonded 4N Medium Brown Neutral 90ml

The SoColor Blended collection from Matrix is a permanent hair colour range that gives every hair strand a rich colour and protective nourishment. The vegan formulas are pre-blended with a brown/beige background, helping you to neutralise every underlying pigment.  

Key Benefits:  

• Pre-Bonded – helping to protect the inner hair structure, colour after colour (Assessed after 7 applications on sensitised hair) 
• Pre-Blended – ensuring all underlying pigments can be neutralised. 

• Pre-Paired – matched with our SoColor Sync Tone-on-Tone range for seamless results from root to tip.  
• Natural, wearable shades.  
• Vegan formulas 
• Can be intermixed with the Blended, Extra Coverage and Reflect collections.  

Key Information: 

• Up to 50% grey coverage.  
• Mixing ratio (colour to developer) 1:1 
• Developer volumes: 10, 20, 30, 40 Vol 
• Processing time: 30- 45 minutes