Manic Panic Classic High Voltage Shocking Blue is a dramatic deep blue with violet undertones, giving it a bold, electric finish. On pre-lightened hair, it reveals a rich sapphire-indigo glow that’s both vibrant and mysterious. Its gentle formula is vegan, PPD-free, ammonia-free, and peroxide-free, helping hair remain smooth and hydrated while delivering radiant colour. Key Benefits: Style: Classic Semi-Permanent Hair Dye Color: Shocking Blue Color Description - Dark Blue Hair Dye Volume: 4oz / 118ml Ingredients: Vegan Friendly, PPD Free! Additional Features: Benefits of Conditioning Hair, Resealable Tub For Longer Use, Comes With Instructions Duration: 4 - 6 weeks Ideal results from level 8-10. How to use: Wash using a clarifying shampoo. Avoid conditioner. Dry fully. Apply Shocking Blue evenly. Comb through to saturate. Cover with cap. Apply gentle heat. Process for 30–45 minutes. Rinse and style. Available in 118ml.