Manic Panic Classic 118ml in Shocking Blue is a semi-permanent hair dye that will give you a vibrant, bold look. It is a vegan, cruelty-free product that is free from ammonia, peroxide, and PPD. It is also non-drying and conditioning, so it won't damage your hair. The color will last up to 6 weeks and will gradually fade over time.To use, first shampoo and towel dry your hair. Then, apply the dye evenly throughout your hair and leave it on for 30 minutes. Rinse your hair with cool water until the water runs clear. For best results, use a deep conditioning treatment after rinsing.Manic Panic Classic 118ml in Shocking Blue is a great way to add a bold, vibrant color to your hair without damaging it. It is easy to use and will last up to 6 weeks. It is also vegan, cruelty-free, and free from ammonia, peroxide, and PPD.