Achieve vibrant, salon-quality blue tones with Bleach London's Super Cool Semi-Permanent Hair Color. This professional-grade formula delivers rich, multi-dimensional color that lasts 24+ washes, making it ideal for those seeking temporary transformation without permanent commitment. The semi-permanent formula conditions while coloring, minimizing damage to treated hair. Perfect for refreshing faded color or creating bold statement looks. Blue Tick shade offers a cool, true blue finish that works beautifully on pre-lightened blonde or silver bases