Manic Panic
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Manic Panic Classic High Voltage Cobra™ is a bold, venomous green crafted for fierce, high-energy colour results. On pre-lightened hair, it shows off a vivid emerald-lime hybrid with electric intensity.
Its semi-permanent formula is vegan, PPD-free, ammonia-free, and peroxide-free, delivering vibrant green tones while keeping hair condition soft, smooth, and shiny.
Cobra™ is ideal for vivid green statements, reptilian-inspired blends, or custom neon mixes. As the official Australian & New Zealand distributor, HairCo ensures authentic, fresh dye with every jar.
Lift hair to a pale blonde for the brightest green. Results may appear deeper on darker hair.
Lighten to level 9 or higher for full vibrancy.
Cleanse with clarifying shampoo.
Skip conditioner.
Dry hair fully.
Apply colour evenly.
Comb to saturate.
Cover with plastic cap.
Apply gentle heat.
Leave on for 30–45 minutes.
Rinse and dry.