Ruby Red 6.66 Rapid Hair Dye

A vivid permanent hair dye from BioKap, Ruby Red 6.66 delivers intense red color with a creamy, easy-to-work-with texture designed for at-home touch-ups and full-head color. Suitable for those seeking bold pigment and even coverage, it balances lasting color with manageable application. Notes on safety and notable actives help users evaluate suitability for colored hair.