RPR Colour U 66.0 100ml is a professional permanent hair colour designed to deliver matte natural tones with strong control over warmth. This shade is part of the matte natural series, ideal for reducing unwanted red or warm undertones and creating a soft, neutral finish.

The advanced Colour U system is enriched with Cashmere Keratin and Black Pearl Minerals, helping to condition, smooth, and enhance shine during the colouring process. It also includes UV reflectors to protect the hair and maintain colour vibrancy and longevity.

This professional formula provides consistent, fade-resistant results with excellent grey coverage, making it ideal for salon-quality performance and controlled colour outcomes.

Key Benefits:
• Matte natural tone for neutral, controlled results
• Helps reduce unwanted warmth and red undertones
• Long-lasting, fade-resistant colour
• Excellent grey coverage
• Enriched with keratin for smoother, conditioned hair
• Enhances shine and colour longevity
• Professional salon-quality performance

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 matte natural tones with reduced warmth