Pro Tip: Keep your Copper Proper by mixing your Super Cool Colour with BLEACH LONDON Reincarnation Mask whenever your hair needs a hydrating auburn boost. Remember to avoid using hot water when rinsing to preserve your colour for longer. Effortless Hue: Generously applying it to clean, towel-dried hair. Leave it on for 30 minutes before rinsing. Make sure to follow all instructions provided. One bottle is perfect for short hair or coloring freshly bleached and toned roots. All BLEACH LONDON products are Vegan and PETA-Approved formulas. No bleach, ammonia or parabens. Formulated with Panthenol, Hydrolyzed Soy Protein and Wheat Amino Acids for shiny, silky soft strands. Our gentle and semi-permanent Super Cool Colours are suitable for all hair types. Proper Copper works best on blonde hair that's lightened and toned with Copper Toner. Also gives natural blonde and light brown hair a shiny auburn glaze. Top of the coppers! Proper Copper Super Cool Colour transforms hair to a deep copper colour that lasts between 3-30 washes. Works on lightened and natural blonde as well as light brown hair.