The Manic Panic Amplified 118ml Voodoo Blue hair dye is a semi-permanent hair color that will give you a vibrant, bold look. It is a vegan, cruelty-free product that is free of parabens, gluten, and ammonia. This hair dye is designed to last up to 30% longer than the original formula, and it will give you a bold, vibrant color that will last for weeks. The Voodoo Blue shade is a deep, dark blue that will give you a unique and eye-catching look. This hair dye is easy to use and can be applied to both natural and color-treated hair. To use, simply mix the dye with a developer and apply to your hair. Leave the dye in for 30 minutes, then rinse and style as usual. The Manic Panic Amplified 118ml Voodoo Blue hair dye is a great way to add a bold, vibrant color to your hair without the commitment of a permanent dye.