RPR Colour U 5.11 100ml is a professional permanent hair colour designed to deliver intense double ash light brown tones with strong cool control and a clean, matte finish. This double ash (.11) formulation provides enhanced neutralisation of unwanted red and warm undertones, making it ideal for achieving cooler, more controlled results.

The Colour U system is a superior professional hair colour cream enriched with Cashmere Keratin and Black Pearl Minerals, helping to condition, smooth, and strengthen the hair during the colouring process. It also includes UV reflectors to protect the hair and maintain long-lasting colour vibrancy.

This advanced formula delivers consistent, fade-resistant colour with excellent grey coverage and reliable salon-quality performance, making it ideal for both corrective and standard colouring services.

Key Benefits:
• Double ash tone for stronger neutralisation
• Helps eliminate unwanted warmth and red undertones
• Clean, matte light brown finish
• Long-lasting, fade-resistant performance
• Excellent grey coverage
• Enriched with keratin for smoother, conditioned hair
• UV protection to maintain colour longevity
• Professional salon-quality results

How to Use:
Mix with developer in a 1:1.5 ratio (e.g. 50g colour + 75g developer). Apply evenly to dry hair, process as required, then rinse thoroughly and follow with conditioner.

Ideal For:
Permanent hair colouring, grey coverage, and achieving strong cool ash tone results