RPR Colour U 10.1 100ml is a professional permanent hair colour designed to deliver cool ash lightest blonde tones with maximum clarity and clean, refined results. This shade is formulated to neutralise unwanted yellow and warm undertones, creating a bright, icy blonde finish with a soft matte effect.

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 while enhancing shine and softness. It also includes UV reflectors to protect the hair and maintain long-lasting colour vibrancy and gloss.

This advanced formula delivers consistent, fade-resistant colour with excellent grey coverage and reliable salon-quality performance. The low-ammonia, intermixable system allows for precise colour control and customised blonde results.

Key Benefits:
• Ash tone for cool, clean blonde results
• Neutralises yellow and unwanted warmth
• Bright, lightest blonde finish with a matte effect
• 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 cool ash lightest blonde results