Wella Welloxon Perfect Developer 1000ml in 4% (13 Vol.) is the professional-strength oxidising emulsion designed to activate Wella permanent and demi-permanent colours. The 4% strength is intended for tone-on-tone work, refreshing colour and gentle deposit-only services — delivering predictable, even results with minimal lift, while leaving hair conditioned thanks to the lipid-based formulation.
About Wella Professionals
Wella Professionals is one of the world's leading professional hair brands, founded in Germany in 1880 and trusted by salon stylists for over a century. Welloxon Perfect is part of Wella's professional colour ecosystem, engineered specifically to pair with Koleston Perfect, Color Touch and Illumina Color systems for consistent, salon-grade results.
Key features
- Oxidising emulsion for permanent and demi-permanent colour services
- 4% strength (13 volume) — designed for tone-on-tone deposit work
- Stabilised, lipid-based formula for even development and hair conditioning
- Compatible with Koleston Perfect, Color Touch and Illumina Color
- Salon-size 1000ml bottle for professional studio use
Who it's for
For professional colourists and trained home colour users carrying out tone-on-tone refreshing, refreshing of mid-lengths and ends, dark deposit-only colour work or covering up to 30% white hair when paired with the right Wella Color system. Not designed for lift; for lift, use 6%, 9% or 12% Welloxon Perfect.
How to use
- Always read the Wella Color formulation guide and carry out a strand test 48 hours before service.
- Mix Wella permanent or demi-permanent colour with Welloxon Perfect 4% in the ratio specified by the colour line (typically 1:1 or 1:2).
- Apply the mixture quickly and evenly to clean, dry hair using a tint brush.
- Process for the manufacturer-stated time (typically 30–35 minutes), checking development visually.
- Rinse thoroughly and follow with a Wella post-colour treatment such as Wella Color Service Mask.
- Wear gloves throughout and dispose of unused mixture; do not store mixed product.
Specifications
- Strength: 4% (13 Volume)
- Size: 1000ml
- Type: Oxidising emulsion / developer
- Use: Professional salon use
- Brand: Wella Professionals



