Balmain Professionnel Couleurs Couture Permanent Hair Color in the shade 6.43 Dark Copper Gold Blonde offers long-lasting, intense color with professional performance. This 60 ml permanent hair color formulation is designed for consistent, reliable results with a focus on quality and durability. The shade Dark Copper Gold Blonde presents a rich, multidimensional tone with warm copper and gold blonde hues, suitable for a sophisticated hair transformation. The formulation for professional results completely covers gray hair and maintains hair structure with proper application. The ammonia-based formula ensures long-lasting color intensity with fade resistance. Each application delivers intense color payoff with even distribution for uniform results from roots to tips. The product belongs to the Couleurs Couture collection, known for its extensive color spectrum and professional color performance. Suitable for various hair types for permanent color change, this dye requires a developer for activation. The 60 ml tube provides enough product for medium-length hair. Store at room temperature between 15-25°C in a dry place away from direct sunlight. For optimal results, a strand test is recommended 48 hours before full application to check color compatibility and hair reaction. Subsequent care products maintain color brilliance and hair condition. The formulation works with the natural hair structure and offers long-lasting color that withstands multiple washes while preserving shine and manageability. This professional hair color solution emphasizes predictable, reliable performance with attention to color accuracy and longevity.