A professional 40-volume (12%) cream developer formulated for maximum lift and high-performance blonding, delivering powerful lightening with consistent results.

Key features

• Strength: 40 Volume (12%) – lifts 3–4+ levels
• Size: 33.8 oz (liter size for salon use)
• System: Part of the RUSK Deepshine Marine Therapy line
• Consistency: Creamy formula for controlled, even application
• Compatibility: Works with RUSK permanent colors and lighteners

Performance benefits

• Maximum lift capability: Ideal for achieving the lightest blonde levels
• Boosts high-lift colors: Enhances performance of shades like 10.000NC or 10.11AA
• Strong gray coverage: When paired correctly, provides full coverage with lift
• Smooth, shiny results: Conditioning system helps maintain hair integrity

Why pros use 40V

• High-lift blonding services (without bleach where possible)
• Lifting darker bases to blonde
• Creating ultra-light or platinum results
• When maximum brightness is needed in one step

How to use

• Typical mix ratios:
  • Permanent color: 1:1.5 to 1:2
• Apply to dry hair
• Process 30–45 minutes (monitor closely due to high lift)

Best for

• Pairing with level 9–10 blondes
• Achieving platinum or ultra-light results
• Clients needing significant lift in one service
• 40V (12%) → maximum lift / high-lift blonding