Kevin Murphy Color.Me permanent hair dye in shade 4.5 is a professional-grade hair coloring product designed for lasting, vibrant results. This 100 ml formulation provides comprehensive coverage for medium-length hair, delivering rich, dimensional color with reliable gray coverage. The ammonia-free formula minimizes scalp irritation while ensuring even color distribution and consistent results across all hair types. Color.Me permanent dye features a balanced pH level that works in harmony with the hair's natural structure, helping to maintain hair integrity during the coloring process. The cream-based consistency allows for precise application and easy blending, making it suitable for both root touch-ups and full-head applications. This shade 4.5 offers a natural medium brown tone with subtle warm undertones that complement various skin tones. The color develops within 30-45 minutes at room temperature, typically between 20-25°C, depending on desired intensity and hair porosity. After processing, the dye rinses cleanly without excessive residue, leaving hair feeling soft and manageable. The formulation includes conditioning agents that help maintain hair moisture balance during the coloring process. For optimal results, perform a strand test 48 hours before full application to confirm color outcome and check for potential sensitivities. Store in a cool, dry place away from direct sunlight, with the container tightly sealed between uses. The product is intended for professional use or home application by experienced users following proper safety guidelines. Always wear protective gloves during application and avoid contact with eyes and skin. Kevin Murphy products are known for their salon-quality performance and commitment to hair health, with Color.Me representing their approach to reliable, long-lasting color solutions.