Manic Panic High Voltage Classic Semi-Permanent Hair Colour in Electric Amethyst is a vivid, eye-catching purple semi-permanent hair colour designed for bold, expressive looks. The classic vegan formula is ammonia and PPD-free, making it a much-loved choice for creative, alternative styling.
About Manic Panic
Manic Panic is a cult vegan, cruelty-free hair-colour brand founded in 1977 in New York. Its bold, semi-permanent shades are loved worldwide for self-expression, alternative looks and creative styling.
Key benefits
- Vivid purple semi-permanent hair colour.
- Vegan and cruelty-free formula.
- Free from ammonia, PPD and peroxide.
- Generous 118 ml jar — ready to apply directly from the tub.
Shade
Electric Amethyst: a bold, vivid purple that glows under blacklight.
Who it's for
Designed for bold self-expressors who want vivid, alternative hair colour — best results on pre-lightened, very pale blonde hair.
How to use
- Pre-lighten hair to a pale blonde for best vibrancy.
- Apply directly from the tub onto clean, dry hair using gloves and a brush.
- Leave on for at least 30 minutes — longer for richer, longer-lasting colour.
- Rinse thoroughly with cool water until the water runs clear.
Specifications
- Size: 118 ml
- Shade: Electric Amethyst (purple)
- Type: semi-permanent hair colour
- Formula: vegan, cruelty-free, ammonia-free, PPD-free



