Manic Panic Classic 118ml - Voodoo Blue is a semi-permanent hair dye that provides vibrant, long-lasting colour. It is a vegan, cruelty-free product that is free from ammonia, peroxide and PPD. It is easy to use and can be applied directly to the hair without the need for a developer. The colour will last up to 6 weeks and can be refreshed with each wash. It is suitable for all hair types and can be used to create a subtle hint of colour or a dramatic look. The colour can be mixed with other shades to create a unique look. The 118ml bottle is enough for one full head application. To use, apply to dry hair and leave for 30 minutes before rinsing. For best results, use a deep conditioning treatment after use. Manic Panic Classic 118ml - Voodoo Blue is a great choice for those looking to add a bold, vibrant colour to their hair.