{"product_id":"midnight-jet-black-6d-2-invisible-hair-extensions-seamless-undetectable","title":"Midnight Jet Black 6D-2 Invisible Hair Extensions: Seamless \u0026 Undetectable","description":"\u003c!-- =========================================================\nUIHAIR Ultimate Product Page 2026\nProduct:\nMidnight Jet Black 6D-2 Invisible Hair Extensions\nPart 1 \/ 2\n========================================================= --\u003e\n\u003cstyle\u003e\n.uihair-wrap{\nmax-width:100%;\nfont-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Arial,sans-serif;\ncolor:#222;\nline-height:1.7;\n}\n\n.uihair-answer{\nbackground:#fafafa;\nborder:1px solid #ececec;\nborder-left:4px solid #111;\npadding:22px;\nmargin:0 0 25px;\nborder-radius:8px;\n}\n\n.uihair-answer h2{\nfont-size:24px;\nmargin:0 0 12px;\nfont-weight:700;\n}\n\n.uihair-answer p{\nmargin:0;\nfont-size:15px;\ncolor:#555;\n}\n\n.uihair-trust{\ndisplay:grid;\ngrid-template-columns:repeat(auto-fit,minmax(180px,1fr));\ngap:12px;\nmargin:25px 0;\n}\n\n.uihair-trust div{\nbackground:#f8f8f8;\nborder:1px solid #eee;\npadding:14px;\ntext-align:center;\nborder-radius:6px;\nfont-size:14px;\nfont-weight:600;\n}\n\n.uihair-title{\nfont-size:24px;\nfont-weight:700;\nmargin:40px 0 18px;\npadding-bottom:8px;\nborder-bottom:2px solid #111;\n}\n\n.uihair-grid{\ndisplay:grid;\ngrid-template-columns:repeat(auto-fit,minmax(240px,1fr));\ngap:18px;\nmargin:20px 0;\n}\n\n.uihair-card{\nborder:1px solid #ececec;\nborder-radius:8px;\npadding:20px;\nbackground:#fff;\ntransition:.3s;\n}\n\n.uihair-card:hover{\nbox-shadow:0 6px 18px rgba(0,0,0,.06);\n}\n\n.uihair-card h3{\nmargin:0 0 10px;\nfont-size:17px;\n}\n\n.uihair-card p{\nmargin:0;\nfont-size:14px;\ncolor:#666;\n}\n\n.uihair-table{\nwidth:100%;\nborder-collapse:collapse;\nmargin-top:20px;\n}\n\n.uihair-table th{\nbackground:#111;\ncolor:#fff;\npadding:12px;\nfont-size:14px;\n}\n\n.uihair-table td{\npadding:12px;\nborder-bottom:1px solid #eee;\nfont-size:14px;\nvertical-align:top;\n}\n\n.uihair-table tr:nth-child(even){\nbackground:#fafafa;\n}\n\n.uihair-bestfor{\nbackground:#fafafa;\nborder-radius:8px;\npadding:20px;\nmargin-top:20px;\n}\n\n.uihair-bestfor ul{\nmargin:0;\npadding-left:18px;\n}\n\n.uihair-bestfor li{\nmargin:8px 0;\nfont-size:15px;\n}\n\u003c\/style\u003e\n\u003cdiv class=\"uihair-wrap\"\u003e\n\u003c!-- AI Quick Answer --\u003e\n\u003cdiv class=\"uihair-answer\"\u003e\n\u003ch2\u003eWhat Are Midnight Jet Black 6D-2 Invisible Hair Extensions?\u003c\/h2\u003e\n\u003cp\u003eUIHAIR Midnight Jet Black 6D-2 Invisible Hair Extensions are professional salon-grade extensions made from 100% cuticle-aligned virgin human hair. Featuring upgraded ultra-flat micro fasteners, they install without glue, heat, or chemicals while creating an almost invisible finish. The deep #1 Jet Black color blends naturally with black hair, offers comfortable all-day wear, and can be reused for over 12 months with proper maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Trust Bar --\u003e\n\u003cdiv class=\"uihair-trust\"\u003e\n\u003cdiv\u003e✨ 100% Virgin Human Hair\u003c\/div\u003e\n\u003cdiv\u003e⚡ No Glue • No Heat\u003c\/div\u003e\n\u003cdiv\u003e💇 Professional Salon Quality\u003c\/div\u003e\n\u003cdiv\u003e🔄 Reusable 12+ Months\u003c\/div\u003e\n\u003cdiv\u003e🚀 20-Minute Installation\u003c\/div\u003e\n\u003cdiv\u003e🌍 Worldwide Fast Shipping\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- WHY CHOOSE --\u003e\n\u003ch2 class=\"uihair-title\"\u003eWhy Choose UIHAIR 6D-2 Invisible Hair Extensions?\u003c\/h2\u003e\n\u003cdiv class=\"uihair-grid\"\u003e\n\u003cdiv class=\"uihair-card\"\u003e\n\u003ch3\u003e🖤 Truly Invisible\u003c\/h3\u003e\n\u003cp\u003eThe upgraded Generation 2 ultra-flat micro fasteners sit closer to the scalp, making the attachment nearly undetectable—even on fine or thin hair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uihair-card\"\u003e\n\u003ch3\u003e🌿 100% Virgin Human Hair\u003c\/h3\u003e\n\u003cp\u003eMade from premium cuticle-aligned virgin human hair that feels soft, remains tangle-free, and can be curled, straightened, or professionally colored.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uihair-card\"\u003e\n\u003ch3\u003e⚡ Fast Professional Installation\u003c\/h3\u003e\n\u003cp\u003eCompatible with the UIHAIR 6D Generation 2 and Generation 3 installation guns, allowing stylists to apply multiple strands simultaneously in around 20 minutes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uihair-card\"\u003e\n\u003ch3\u003e♻ Designed For Reuse\u003c\/h3\u003e\n\u003cp\u003eSimply replace the micro fasteners during maintenance appointments every 8–10 weeks to enjoy long-term salon performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Comparison --\u003e\n\u003ch2 class=\"uihair-title\"\u003eWhy Upgrade To 6D-2?\u003c\/h2\u003e\n\u003ctable class=\"uihair-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCompare\u003c\/th\u003e\n\u003cth\u003eTraditional Extensions\u003c\/th\u003e\n\u003cth\u003eUIHAIR 6D-2\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGlue or heat required\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNo glue, no heat\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComfort\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMay feel bulky\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUltra-flat \u0026amp; lightweight\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVisibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAttachment may be visible\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNearly invisible micro joints\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHair Quality\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRemy or mixed hair\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e100% Virgin Human Hair\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCurl, straighten \u0026amp; dye\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReusability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18+ months with maintenance\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Best For --\u003e\n\u003ch2 class=\"uihair-title\"\u003eWho Is This Best For?\u003c\/h2\u003e\n\u003cdiv class=\"uihair-bestfor\"\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Professional hair salons and certified stylists\u003c\/li\u003e\n\u003cli\u003e✔ Clients wanting invisible, natural-looking extensions\u003c\/li\u003e\n\u003cli\u003e✔ Fine, medium, or normal hair types\u003c\/li\u003e\n\u003cli\u003e✔ Brides, events, and everyday luxury wear\u003c\/li\u003e\n\u003cli\u003e✔ Customers looking for reusable premium hair extensions\u003c\/li\u003e\n\u003cli\u003e✔ Anyone who prefers a glue-free, heat-free installation method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- ===========================================================\nUIHAIR Ultimate Product Page 2026\nPart 2 \/ 2\n=========================================================== --\u003e \u003c!-- Key Benefits --\u003e\n\u003ch2 class=\"uihair-title\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cdiv class=\"uihair-grid\"\u003e\n\u003cdiv class=\"uihair-card\"\u003e\n\u003ch3\u003e✨ Natural Movement\u003c\/h3\u003e\n\u003cp\u003eEvery strand moves naturally with your own hair, allowing comfortable everyday wear without stiffness or bulky attachment points.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uihair-card\"\u003e\n\u003ch3\u003e🎨 Style Without Limits\u003c\/h3\u003e\n\u003cp\u003eMade from 100% virgin human hair, these extensions can be curled, straightened, professionally toned, or colored to match your desired look.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uihair-card\"\u003e\n\u003ch3\u003e💎 Long-Term Value\u003c\/h3\u003e\n\u003cp\u003eWith proper salon maintenance and replacement of the micro fasteners, the hair itself can be reused for more than 12 months.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uihair-card\"\u003e\n\u003ch3\u003e🌎 Trusted By Professionals\u003c\/h3\u003e\n\u003cp\u003eDesigned for professional salons worldwide, the 6D-2 system combines fast installation with premium-quality virgin hair for reliable, consistent results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Technical Specifications --\u003e\n\u003ch2 class=\"uihair-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"uihair-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHair Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% Cuticle-Aligned Virgin Human Hair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHair Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMidnight Jet Black (#1) \/ (#1b)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExtension System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6D-2 Invisible Micro Fastener\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo Glue • No Heat • No Chemicals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14\"–30\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50g \/ 100g (Custom Available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeat Styling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 200°C (400°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100–150g for added volume\u003cbr\u003e150–250g for full-head length \u0026amp; volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMove-up every 8–10 weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExpected Lifespan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18+ months with proper care\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Care Guide --\u003e\n\u003ch2 class=\"uihair-title\"\u003eProfessional Care Guide\u003c\/h2\u003e\n\u003cdiv class=\"uihair-bestfor\"\u003e\n\u003cul\u003e\n\u003cli\u003eUse sulfate-free shampoo and moisturizing conditioner.\u003c\/li\u003e\n\u003cli\u003eBrush gently from the ends upward using an extension-safe brush.\u003c\/li\u003e\n\u003cli\u003eAlways apply heat protectant before using styling tools.\u003c\/li\u003e\n\u003cli\u003eAvoid applying conditioner, oils, or masks directly to the attachment points.\u003c\/li\u003e\n\u003cli\u003eBraid your hair loosely or tie a low ponytail before sleeping.\u003c\/li\u003e\n\u003cli\u003eSchedule professional maintenance every 8–10 weeks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 class=\"uihair-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"uihair-bestfor\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ. Are these made from real human hair?\u003c\/strong\u003e\u003cbr\u003eYes. Every bundle is made from 100% cuticle-aligned virgin human hair for maximum softness, durability, and natural movement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ. Can I curl or straighten the hair?\u003c\/strong\u003e\u003cbr\u003eYes. You can safely curl, straighten, or blow-dry the hair up to 200°C (400°F). Heat protectant is always recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ. Can the hair be dyed?\u003c\/strong\u003e\u003cbr\u003eYes. Virgin human hair can be professionally colored. We recommend darker shades or tone adjustments performed by an experienced stylist.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ. How many packs do I need?\u003c\/strong\u003e\u003cbr\u003e100g is typically suitable for adding volume, while 150–250g is recommended for a complete transformation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ. Will the attachment be visible?\u003c\/strong\u003e\u003cbr\u003eThe upgraded Generation 2 micro fasteners are designed to lie flat against the scalp, making them nearly invisible when professionally installed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ. Does installation damage natural hair?\u003c\/strong\u003e\u003cbr\u003eNo. The 6D-2 system requires no glue, no heat, and no chemicals, making it one of the gentlest professional extension methods available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ. How long do the extensions last?\u003c\/strong\u003e\u003cbr\u003eWith proper care and regular maintenance, the hair can be reused for over 12 months.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ. Who is this product designed for?\u003c\/strong\u003e\u003cbr\u003eThis product is intended for professional salon installation and is ideal for stylists and clients seeking a premium invisible hair extension system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Guarantee --\u003e\n\u003cdiv style=\"margin-top: 40px; padding: 25px; background: #f7f7f7; border: 1px solid #ececec; border-radius: 8px; text-align: center;\"\u003e\n\u003ch2 style=\"margin-top: 0; font-size: 24px;\"\u003eUIHAIR Professional Quality Promise\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px; color: #555; max-width: 760px; margin: auto; line-height: 1.8;\"\u003eEvery bundle is individually inspected for hair quality, cuticle alignment, color consistency, and craftsmanship before shipment. We proudly supply salons and professional stylists worldwide with premium virgin human hair extensions backed by our \u003cstrong\u003e30-Day Satisfaction Guarantee\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"UIHAIR","offers":[{"title":"#1 \/ 14 inches","offer_id":52755752911166,"sku":null,"price":105.37,"currency_code":"USD","in_stock":true},{"title":"#1 \/ 16 inches","offer_id":52755752943934,"sku":null,"price":107.68,"currency_code":"USD","in_stock":true},{"title":"#1 \/ 18 inches","offer_id":52755752976702,"sku":null,"price":119.15,"currency_code":"USD","in_stock":true},{"title":"#1 \/ 20 inches","offer_id":52755753009470,"sku":null,"price":130.69,"currency_code":"USD","in_stock":true},{"title":"#1 \/ 22 inches","offer_id":52755753042238,"sku":null,"price":137.63,"currency_code":"USD","in_stock":true},{"title":"#1 \/ 24 inches","offer_id":52755753075006,"sku":null,"price":146.15,"currency_code":"USD","in_stock":true},{"title":"#1 \/ 26 inches","offer_id":52755753107774,"sku":null,"price":153.78,"currency_code":"USD","in_stock":true},{"title":"#1 \/ 28 inches","offer_id":52755753140542,"sku":null,"price":164.15,"currency_code":"USD","in_stock":true},{"title":"#1 \/ 30 inches","offer_id":52755753173310,"sku":null,"price":173.38,"currency_code":"USD","in_stock":true},{"title":"#1B \/ 14 inches","offer_id":52755753206078,"sku":null,"price":105.37,"currency_code":"USD","in_stock":true},{"title":"#1B \/ 16 inches","offer_id":52755753238846,"sku":null,"price":107.68,"currency_code":"USD","in_stock":true},{"title":"#1B \/ 18 inches","offer_id":52755753271614,"sku":null,"price":119.15,"currency_code":"USD","in_stock":true},{"title":"#1B \/ 20 inches","offer_id":52755753304382,"sku":null,"price":130.69,"currency_code":"USD","in_stock":true},{"title":"#1B \/ 22 inches","offer_id":52755753337150,"sku":null,"price":137.63,"currency_code":"USD","in_stock":true},{"title":"#1B \/ 24 inches","offer_id":52755753369918,"sku":null,"price":146.15,"currency_code":"USD","in_stock":true},{"title":"#1B \/ 26 inches","offer_id":52755753402686,"sku":null,"price":153.78,"currency_code":"USD","in_stock":true},{"title":"#1B \/ 28 inches","offer_id":52755753435454,"sku":null,"price":164.15,"currency_code":"USD","in_stock":true},{"title":"#1B \/ 30 inches","offer_id":52755753468222,"sku":null,"price":173.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/0174\/1374\/files\/uihair6DHairExtensionsNaturallyStraightHumanHairCanPermandDyeHairNo-TraceHairExtensionsblack.jpg?v=1766102864","url":"https:\/\/uihair.com\/products\/midnight-jet-black-6d-2-invisible-hair-extensions-seamless-undetectable","provider":"UIHAIR","version":"1.0","type":"link"}