Manic Panic Bad Boy Blue Vibrant Denim Blue Semi-Permanent Hair Dye | Classic High Voltage

Go bold with seriously vivid blue. 💙⚡ Manic Panic Bad Boy Blue is a vibrant denim-inspired blue with subtle green and grey undertones, creating a rich, statement-making shade that’s perfect for alternative, rave, festival and colourful hair looks. It also develops a subtle green tint as it fades, giving the colour an interesting shift over time.

For the strongest and most vibrant result, Manic Panic recommends applying Bad Boy Blue to a pre-lightened level 9–10 blonde base. Because of its bold pigmentation, it can also create blue tones on darker hair, although the result will be much more subtle. The Classic High Voltage formula is conditioning, vegan and cruelty-free, with 30% more pigment than regular fade colours, making Bad Boy Blue part of Manic Panic’s Bolder For Longer range and potentially lasting 6–8+ weeks, depending on your starting colour, hair porosity, maintenance and aftercare. 💙🖤 Always perform a patch test 24–48 hours before use and follow the instructions supplied with the product. 

Product details:

• Bad Boy Blue
• Vibrant denim-inspired blue
• Subtle green and grey undertones
• Classic High Voltage semi-permanent hair colour
• Bolder For Longer formula with 30% more pigment
• 118ml / 4 fl oz
• Vegan and cruelty-free
• PPD-free
• Free from ammonia, resorcinol, phthalates and gluten
• Conditioning formula
• Resealable container
• No developer required
• Best results on pre-lightened level 9–10 blonde hair
• Can create more subtle blue tones on darker hair
• Potentially 6–8+ weeks of colour, depending on hair and aftercare
• Not UV reactive
• Perfect for rave, festival, alternative, punk and colourful hair looks
• Manic Panic