RPR Colour U 9.11 100ml is a professional permanent hair colour designed to deliver intense double ash very light blonde tones with maximum cool control and clarity. This double ash (.11) formulation provides strong neutralisation of unwanted warmth and brassiness, creating a clean, matte blonde finish.

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

This advanced formula delivers consistent, fade-resistant results with excellent grey coverage and professional salon-quality performance. It is part of a low-ammonia, intermixable system offering a wide range of tones and creative flexibility.

Key Benefits:
• Double ash tone for strong neutralisation
• Eliminates unwanted warmth and brassiness
• Clean, cool very light blonde 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 blonde results