Manic Panic Classic 118ml - Bad Boy Blue is a semi-permanent hair dye that will give you a bold and vibrant look. It is a vegan and cruelty-free product, and is made with natural ingredients. The dye is easy to use and will last up to 6 weeks. It is also suitable for all hair types, including chemically treated hair. To use, first shampoo and towel dry your hair. Then, apply the dye evenly throughout your hair, making sure to cover all areas. Leave the dye in for 30 minutes, then rinse with cool water. For best results, use a deep conditioning treatment after rinsing. Manic Panic Classic 118ml - Bad Boy Blue is a great choice for anyone looking to add a bold and vibrant colour to their hair. It is easy to use and will last up to 6 weeks. It is also vegan and cruelty-free, and is made with natural ingredients, making it a safe and healthy choice for your hair.