RPR Colour U 4.23 100ml is a professional permanent hair colour designed to deliver violet gold brown tones with a rich, multidimensional finish. This shade blends cool violet reflects with warm golden tones to create a balanced, vibrant result that adds depth and shine to the hair.

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 and shine.

This advanced formula provides consistent, fade-resistant colour with excellent grey coverage and reliable salon-quality performance, making it ideal for rich brunette tones with added dimension.

Key Benefits:
• Violet gold tone for rich, multidimensional results
• Balanced cool and warm reflects for depth and shine
• 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 rich violet-gold brown tones