{"product_id":"manic-panic-classic-rockabilly-blue-semi-permanent-hair-color-4oz-ammonia-free-vegan-cruelty-free","title":"MANIC PANIC Classic Rockabilly Blue Semi-Permanent Hair Color – 4oz, Ammonia-Free, Vegan \u0026 Cruelty-Free","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMANIC PANIC Classic Rockabilly Blue delivers a bold, true blue with cool undertones. This high-pigment semi-permanent color shows its best payoff on lightened strands, yet it can reveal deeper, rich blues on darker bases. The formula is crafted to color with lasting impact while caring for hair’s feel and texture, making it a popular choice for DIY color projects or professional salon applications.\u003c\/p\u003e\n\u003cp\u003eRockabilly Blue stands out for its deep pigment and versatile use. It blends with other MANIC PANIC shades or the Pastel-izer for creative shade variations, enabling you to push your look from vibrant to pastel without needing a developer. The product is cruelty-free and vegan, and the brand highlights its ammonia- and PPD-free, gluten-free, phthalate-free formulation with PETA accreditation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVibrant, long-lasting color typically visible for 4-6 weeks with standard care.\u003c\/li\u003e\n  \u003cli\u003eCustomizable and mixable color system to craft unique shades or soft pastels.\u003c\/li\u003e\n  \u003cli\u003eNo developer required, relying on a pigmented semi-permanent formula.\u003c\/li\u003e\n  \u003cli\u003eConditioning ingredients help keep hair soft, hydrated, and smooth after dyeing.\u003c\/li\u003e\n  \u003cli\u003eRresealable tub for convenient storage and reuse.\u003c\/li\u003e\n  \u003cli\u003eCruelty-free, vegan, ammonia-free, PPD-free, gluten-free, phthalate-free, and PETA accredited.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBest-Use Scenarios\u003c\/h3\u003e\n\u003cp\u003eFor optimal results, apply Rockabilly Blue to pre-lightened hair, ideally at level 9 or 10 blonde. If you’re starting from darker hair, expect deeper, moodier blues. A Flash Lightning Bleach Kit can prep hair to maximize coverage and evenness, while the color can still deliver striking depth on darker bases.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePerfect for DIY transformations and salon sessions seeking a bold blue statement.\u003c\/li\u003e\n  \u003cli\u003eMix with other shades or the Pastel-izer to explore pastel or hybrid blue tones.\u003c\/li\u003e\n  \u003cli\u003eExpect glossy results that photograph well under a range of lighting conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCare and Quality You Can Trust\u003c\/h2\u003e\n\u003cp\u003eThe Rockabilly Blue formula is formulated to condition as it colors, helping hair feel softer and more manageable during and after wear. The durable tube and resealable packaging support multiple uses, reducing waste and making it easy to revisit your shade as your vibe evolves. With its vegan and cruelty-free credentials, this color aligns with ethical beauty choices while providing a bold aesthetic.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to Expect in Color Results\u003c\/h2\u003e\n\u003cp\u003eOn virgin or unbleached hair, you may see cool, true-blue tones. Pre-lightened hair yields the most vibrant blue, while deeper blues can appear on darker bases. When mixed with other shades or Pastel-izer, you can transition between bold blue and softer teal-leaning hues or pastel blues for a custom spectrum.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMixing options enable a spectrum of blue looks from bold to pastel.\u003c\/li\u003e\n  \u003cli\u003eNo developer required keeps the process simpler for at-home use or quick salon touch-ups.\u003c\/li\u003e\n  \u003cli\u003eConditioning formula supports hair health while you color.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What hair types does MANIC PANIC Rockabilly Blue work best on?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Best on pre-lightened hair at level 9–10 blonde; can color darker hair to deeper blues.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does the color last and can I mix shades?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically lasts 4–6 weeks; mixable with other MANIC PANIC shades or Pastel-izer for pastels.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MANIC PANIC","offers":[{"title":"Default Title","offer_id":52661864825195,"sku":"B0083CNYJG","price":49.08,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8642\/0075\/files\/manic-panic-rockabilly-blue-tube.jpg?v=1765284299","url":"https:\/\/canadianglow.ca\/products\/manic-panic-classic-rockabilly-blue-semi-permanent-hair-color-4oz-ammonia-free-vegan-cruelty-free","provider":"Canadian Glow | Beauty, Skincare, Hair \u0026 Personal Care","version":"1.0","type":"link"}