{"product_id":"manic-panic-classic-rockabilly-blue-semi-permanent-hair-color","title":"MANIC PANIC Classic Rockabilly Blue Semi Permanent Hair Color - True Neutral Blue Hair Dye for Women \u0026 Men, Vegan \u0026 Cruelty-Free (4 oz)","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eMANIC PANIC Classic Rockabilly Blue is a semi-permanent hair color that delivers a true neutral blue shade without any green or purple undertones. This iconic dye is part of the Classic line, known for its vibrant, long-lasting color and conditioning formula. Whether you're looking for a bold all-over color or subtle highlights, Rockabilly Blue offers a versatile and easy-to-use solution for both women and men.\u003c\/p\u003e\u003ch2\u003eKey Features and Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue Neutral Blue:\u003c\/strong\u003e Rockabilly Blue is a balanced blue that flatters a wide range of skin tones, providing a clean, vibrant look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSemi-Permanent Formula:\u003c\/strong\u003e Lasts 4-6 weeks, gradually fading with each wash. Perfect for experimenting without long-term commitment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVegan \u0026amp; Cruelty-Free:\u003c\/strong\u003e Made with no animal-derived ingredients and never tested on animals. You can feel good about your choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmmonia-Free \u0026amp; Gentle:\u003c\/strong\u003e Contains no harsh chemicals like ammonia or peroxide, making it safe for color-treated, damaged, or natural hair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Mix with other MANIC PANIC shades to create your own unique color. The possibilities are endless.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConditioning:\u003c\/strong\u003e Enriched with natural ingredients that leave hair soft, shiny, and healthy-looking.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eFor best results, start with clean, dry hair. Apply the dye evenly using gloves, working from roots to ends. Leave on for 15-30 minutes for pastel tones, or up to 45-60 minutes for more intense color. Rinse with cool water until the water runs clear. Avoid shampooing for 24-48 hours to allow color to set. Use color-safe shampoos and conditioners to prolong vibrancy.\u003c\/p\u003e\u003ch2\u003eWho It Is For\u003c\/h2\u003e\u003cp\u003eThis product is ideal for anyone seeking a vibrant, temporary hair color change without damage. Perfect for fashion-forward individuals, cosplayers, festival-goers, or anyone wanting to express their unique style. It's suitable for all hair types, including natural, relaxed, or previously colored hair. Note that lighter hair will achieve brighter results; darker hair may need pre-lightening for maximum vibrancy.\u003c\/p\u003e\u003ch2\u003eWhy Choose MANIC PANIC Rockabilly Blue?\u003c\/h2\u003e\u003cp\u003eMANIC PANIC has been a trusted name in alternative hair color since 1977. Our formulas are developed with quality ingredients that prioritize hair health and color integrity. Rockabilly Blue stands out for its true neutral tone—free from unwanted green or purple hues. Plus, our commitment to vegan and cruelty-free practices means you can color with confidence. Whether you're a seasoned pro or a first-timer, MANIC PANIC makes it easy to achieve salon-quality results at home.\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSize: 4 oz (113 g)\u003c\/li\u003e\n\u003cli\u003eColor: Rockabilly Blue (Neutral Blue)\u003c\/li\u003e\n\u003cli\u003eFormulation: Semi-permanent, ammonia-free, vegan, cruelty-free\u003c\/li\u003e\n\u003cli\u003eLongevity: 4-6 weeks depending on hair porosity and maintenance\u003c\/li\u003e\n\u003cli\u003eApplication: Direct dye, no mixing required\u003c\/li\u003e\n\u003cli\u003eCoverage: Best on pre-lightened hair; may tint darker hair\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Avelisse","offers":[{"title":"Default Title","offer_id":46501066375367,"sku":null,"price":34.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/7362\/2983\/files\/B0083CNYJG-manic-panic-classic-rockabilly-blue-semi-main_5a59c08c-b2e1-4fef-b68a-ca73a7dbe931.jpg?v=1777949778","url":"https:\/\/avelisse.co.uk\/products\/manic-panic-classic-rockabilly-blue-semi-permanent-hair-color","provider":"Avelisse","version":"1.0","type":"link"}