Achieve consistent, salon-quality colour with Redken Shades EQ Processing Solution 1L. Specially formulated to work exclusively with Redken Shades EQ Gloss, this acidic processing solution ensures optimal performance, precise colour deposit, and beautiful shine. Its gentle, ammonia-free system allows for controlled processing without lift, making it ideal for refreshing colour, toning, glossing, and correcting colour while maintaining hair condition. The liquid consistency allows for easy mixing and smooth application from roots to ends. Perfect for professional salon use, this 1-litre size is ideal for high-volume colour services. Key Benefits: Designed exclusively for Redken Shades EQ Gloss Ensures even, consistent colour results No lift, no ammonia formula Enhances shine and colour longevity Professional salon-only developer