Go bold with BLEACH LONDON’s I Saw Red Boxed Semi-Permanent Dye, a vibrant blend crafted to refresh your look with a true red hue. Designed to absorb into blonde hair for a vivid finish and brown tones for a subtle, glossy tint, this colour lasts between three and thirty washes, giving you flexibility without long-term commitment. The formula is complete with citric acid, which works to help balance your lengths for smoother-looking, lustrous results.