Manic Panic Sunshine High Voltage Hair Dye offers you the chance to have hair as bright as the sun. This sunflower yellow shade is vibrant and fresh, especially when applied to light hair. Plus the Manic Panic formula means that this yellow hair dye will condition while it colours and is vegan friendly.How To Use Manic Panic Sunshine Hair DyePut on your protective gloves and evenly apply Manic Panic Sunshine hair dye to your hair using a tint brush. Comb through your hair to achieve even coverage and leave to process for about 30 minutes. You can apply gentle heat during processing to Manic Panic dyes. Rinse your hair with cool water and enjoy your new yellow hair colour.For more information about how to dye your hair at home, visit our Hair Dye Guides.How Long Does Manic Panic LastManic Panic hair dye colour usually lasts between 4-6 weeks. The lighter colours and pastel shades will fade the fastest but darker shades, if properly cared for are likely to last for the full 6 weeks.Find out how you can care for your dyed hair to help it last longer in our Blue Banana Hair Dye Guides.Manic Panic Sunshine On Dark HairManic Panic Sunshine hair dye may give a subtle tint to dark hair but for best results, lighten your hair to at least a level 9. If you do want to avoid bleaching your hair, you can always perform a strand test before you begin to check that this yellow hair dye will tint your hair colour.Please Note: Hair dye results may vary depending on your hair type, base colour and hair porosity; the image of the hair dye is a representation of the finished colour and is not a guaranteed result. This dye is not suitable for use on hair with more than 10% grey coverage.