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"Wasn’t the best but isn’t the worst thing to use. It’s a nice color but it fades out really fast"
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We’ve got answers! Whether you’re a hair dye virgin or a total dye hard, we’ve got all the pointers you need to get the Instagram-ready color of your dreams.
Because we’re the OGs in colorful vegan and cruelty-free hair color. But if that’s not reason enough, our hair colors are free of harsh chemicals and fortified to condition your hair while you color. With each Manic Panic® color, you can get the DIY look without the damage. That’s color without compromise!
Before coloring your hair, you should perform a patch or strand test with your hair color or bleach to make sure you don’t have any allergic reactions. You can also see if you like the color before coloring your hair all over!
Yes and no. Some of our colors (especially neons, UVs, and pastels) work best on a pre-lightened base. If you want our signature intense color, we recommend lightening your hair to at least a level 7+ blonde. But we also have colors that give gorgeous colorful tints to dark hair. Each product on our website comes with hair swatches so you can see before and after results on light and dark hair.
Your base color is SUPER important since it affects the appearance of tones. If you apply blue pigment on top of a yellow-toned blonde, the results can veer toward a more teal or green hue. The whiter the hair, the truer the color tone. Before you color your hair blue, watch a tutorial by Mykey O’Halloran on how to avoid green tints!
Our semi-permanent formula lasts for about 4-6 weeks. But stronger formulas (like our Amplified collection) last longer because they contain 30% more pigment.
If you want to fight the fade for longer, we have color-safe shampoos and conditioners made specifically to maintain our hair colors. Use cool water when shampooing and try to wash hair only once a week (the more you wash, the faster the color fades). We also have dry shampoo to keep your color fresh on days when you skip a wash.
Shade
More Blue Hair Dye Shades
GUILT-FREE GLAMOUR!®
Rockabilly Blue is one of our strongest true, neutral blue hair dyes. This vibrant, ultra-powerful blue leaves cool tones on virgin, unbleached hair. For head turning results, we recommend lightening hair to a light level 9 blonde and toning hair before use to prevent unwanted hues.

Tested on celebrities, not animals™.
Fun Fact: This color is a favorite of musician and Manic Panic® sponsored artist Alissa White-Gluz from Arch Enemy.
dye like you mean it
Our semi-permanent hair colors shine brighter and bolder for much, MUCH longer than other dye brands.
Your hair, your vision, your way! Get a salon-quality dye job in the comfort of your own home.
100% vegan and cruelty free since ‘77. You can always count on Manic Panic to bring the Guilt-Free Glamour.
Overall rating: 4.516667 / 5 from 60 reviews.
Rockabilly® Blue offers a vibrant, long-lasting true blue hair dye. It is vegan-friendly and PPD-free, providing conditioning benefits. Ideal for those seeking a bold, head-turning color, though some users may experience mixed results with the dye.
Review topics: [color, feeling, shade, dye, hair, fox, blue].
"Wasn’t the best but isn’t the worst thing to use. It’s a nice color but it fades out really fast"
— Ashley a. (3/5)
"This is amazing! This color is very vibrant, and it leaves my hair feeling really soft!"
— Naisean (5/5)
"I’ve been using rockabilly blue for about 13 years, and I have to say that the color depth isn’t quiiiiiiite what it used to be. With that said, the staying power for this color is decent and the fade is beautiful. It WILL stain your skin and tile! Use baby oil on the skin and spray 9 degreaser on your tile and you’ll be alright!"
— Caer (4/5)
"Unfortunately I had high hopes that this hair dye will show up to my dark hair but it didn't. At first it looked very promising until it never showed up it only made my darker! I already went into different lights and went outside it still didn't worked."
— Allison (2/5)
"My favorite shade of blue hair color! So vibrant and long lasting."
— Jo (5/5)
"Looks beautiful on my dark brown hair"
— Emalyn (5/5)
"The color was nice, but as expected it does not really work well with dark hair. Thought I’d still give it a try though, but I’m still a bit bummed out."
— Monica (2/5)
"Horrible hair dye! I’ll never buy it again. My friend used this dye, and as soon as she sweats a little, it stains her skin terribly. Her whole face is blue, and it won’t come off. The worst hair dye ever!"
— marina (1/5)
"I've been trying to fina this color for MONTHS! Ordered on Amazon and both orders were canceled. I tried the shocking blue, but nothing compares to the Rockabilly blue. I used it years ago - it fades into gorgeous purples and pinks. The shocking blue just got green. I'm ordering from here next week now that I've found it!"
— Ouida (5/5)
"the color is absolutely beautiful with this one, i’ll definitely use this color again"
— Parker (5/5)
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