{"product_id":"manic-panic-rockabilly-blue-semi-permanent-hair-color-4oz-true-neutral-blue-vegan-ammonia-free","title":"MANIC PANIC Rockabilly Blue Semi-Permanent Hair Color 4oz — True Neutral Blue, Vegan \u0026 Ammonia-Free","description":"\u003cp\u003e\u003cstrong\u003eMANIC PANIC Rockabilly Blue is a high-pigment semi-permanent hair color that delivers a true, neutral blue finish lasting roughly 4–6 weeks while conditioning hair and allowing for custom mixes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you’re refreshing pre-lightened hair or darkening for a deep blue tone, this 4 oz tub of Rockabilly Blue offers intense color without peroxide or ammonia. The formula is vegan and cruelty-free, packaged in a resealable container for multiple uses. It’s made to layer on lightened hair for brightest effect or to blend with other shades and pastelizers to build personalized hues.\u003c\/p\u003e\n\n\u003ch3\u003eHow vivid will Rockabilly Blue look on my hair?\u003c\/h3\u003e\n\u003cp\u003eVividness depends on your starting level: the brightest, truest neutral blue appears on hair lifted to a level 9–10 blonde. On darker hair you’ll get rich, deep blue tones rather than neon brightness. Expect the most dramatic transformation when used after a proper lightening process.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-lightened (level 9–10): intense, true neutral blue results.\u003c\/li\u003e\n  \u003cli\u003eLight brown to dark hair: deeper blue shades, rich tone payoff.\u003c\/li\u003e\n  \u003cli\u003eVirgin unbleached hair: cool blue tint, subtle but noticeable.\u003c\/li\u003e\n  \u003cli\u003eUse Flash Lightning Bleach Kit for best brightening before dyeing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the color last and how does it fade?\u003c\/h3\u003e\n\u003cp\u003eExpect color longevity of about 4–6 weeks with typical shampooing; fading is gradual and retains cool blue undertones as it lightens. Color life varies by hair porosity, wash frequency, and water temperature. Conditioning properties in the formula help keep strands soft while color slowly diminishes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical wear time: 4–6 weeks on average.\u003c\/li\u003e\n  \u003cli\u003eFades gradually to softer blue and aqua hues.\u003c\/li\u003e\n  \u003cli\u003eCold water and sulfate-free shampoos help extend vibrancy.\u003c\/li\u003e\n  \u003cli\u003eResealable tub preserves unused product for future touch-ups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I mix this with other Manic Panic shades or pastelize it?\u003c\/h3\u003e\n\u003cp\u003eYes—you can combine Rockabilly Blue with other MANIC PANIC colors or use a Pastel-izer to achieve custom tones, from saturated blue to muted pastels. The pigment-rich formula blends predictably, letting you create multi-dimensional shades or softer pastel results for subtle styles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMix with other pigments to make custom blues, teals, or purples.\u003c\/li\u003e\n  \u003cli\u003eAdd Pastel-izer to mute intensity for pastel or fashion-toned looks.\u003c\/li\u003e\n  \u003cli\u003eCreate ombré, balayage, or dip-dye effects using blended shades.\u003c\/li\u003e\n  \u003cli\u003eTest mixes on a strand before full-head application for shade accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and care features does this product offer?\u003c\/h3\u003e\n\u003cp\u003eRockabilly Blue uses a semi-permanent, non-oxidative formula that requires no developer, PPD, or ammonia, and it’s PETA-accredited vegan and cruelty-free. The mix also includes conditioning agents to keep hair feeling soft and manageable during wear. Keep in mind results depend on correct pre-lightening and proper aftercare.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAmmonia-free, PPD-free, vegan and cruelty-free formulation.\u003c\/li\u003e\n  \u003cli\u003eConditioning ingredients help maintain softness and shine.\u003c\/li\u003e\n  \u003cli\u003eResealable tub reduces waste and preserves unused product.\u003c\/li\u003e\n  \u003cli\u003eFollow standard patch tests and lightening protocols before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Rockabilly Blue is ideal for anyone who wants a bold, cool-toned blue—especially those willing to pre-lighten hair for brightest results, DIY colorists wanting mixable pigments, and stylists seeking a reliable semi-permanent blue that conditions hair while it colors. It suits men and women, from alternative fashion enthusiasts to professional colorists crafting unique shades.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater, Aqua, Propylene, Glycol, Cetearyl, Alcohol, Ceteareth-, Cetyl, Aloe, Barbadensis, Leaf, Juice, Maltodextrin, Oleyl, Behentrimonium, Methosulfate, Acetic, Acid, Phenoxyethanol, Ethylhexylglycerin, Basic, Blue, Ci\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to bleach my hair before using Rockabilly Blue?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: For the brightest true blue, pre-lighten to level 9–10. On darker hair you’ll get deeper blue tones without bleaching.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this dye safe for vegans and cruelty-free?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. MANIC PANIC Rockabilly Blue is vegan, cruelty-free, and free from ammonia and PPD.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MANIC PANIC","offers":[{"title":"Default Title","offer_id":58361409307011,"sku":"B0083CNYJG","price":22.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/2696\/0515\/files\/manic-panic-front-tub.jpg?v=1782803547","url":"https:\/\/origin-beauty.com\/products\/manic-panic-rockabilly-blue-semi-permanent-hair-color-4oz-true-neutral-blue-vegan-ammonia-free","provider":"Origin Beauty","version":"1.0","type":"link"}