A professional permanent cream hair color in a Natural Cool Medium Brown (4.000NC) shade—perfect for balanced brunette results with controlled warmth and natural depth.

Key features

• Shade: 4.000NC – Medium Brown (neutral-cool tone)
• Size: 3.4 oz salon tube
• Technology: Micro Pure Pigment Technology for deep penetration and long-lasting color
• Conditioning system: Advanced Marine Therapy smooths, strengthens, and evens porosity
• Coverage: Up to 100% gray coverage
• Finish: Silky, shiny, and even color results

Why pros like it

• True medium brunette: Sits right in the middle—not too dark, not too light
• Cool control: Helps reduce unwanted red/orange tones in brunettes
• Natural dimension: Ideal for everyday wearable color with depth
• Intermixable: Fully customizable within the Deepshine system

How to use

• Mix with RUSK Shine Enhancing Cream Developer
  • Standard ratio: 1:1.5
• Apply to dry hair
• Process 30–45 minutes
• Rinse, shampoo, and condition

Best for

• Clients wanting a balanced, natural medium brown
• Gray coverage with a neutral-cool finish
• Maintaining brunette tones without brassiness