Wella Welloxon Perfect 20 Volume (6%) Developer is the go-to standard developer for permanent color services, giving you a balance of lift + deposit.

What it is

• Strength: 20 Volume (6%)
• Size: 33.8 oz / 1 Liter
• Type: Professional creme developer
• Best paired with: Wella Koleston Perfect + lighteners

Key features

• Provides reliable lift and deposit for permanent color services
• Up to 1–2 levels of lift, making it ideal for coverage and subtle lightening
• Optimized for Koleston Perfect for accurate, true-to-tone results
• Creamy consistency for easy mixing and smooth application
• Great foil adhesion + easy rinse-out for efficient salon work

What 20 Volume is used for

This is your most versatile developer:

• Standard gray coverage services
• 1–2 levels of lift on natural hair
• Permanent color application (most common pairing)
• Slight lightening with controlled tone

Formulation basics

• Mixing ratio: Typically 1:1 with Koleston Perfect
• Lift: ~1–2 levels depending on hair type and starting level
• Works well on virgin hair or for root retouches

Pro insight

20 Volume is your “everyday developer”—when you want:

• Balanced lift without over-processing
• Strong, even gray coverage
• Predictable salon results across most services

Compared to:

• 10 Vol: deposit only
• 20 Vol: lift + deposit (most used)
• 30 Vol: higher lift, less control