{"product_id":"redken-extreme-litre-duo","title":"Redken Extreme Litre Duo","description":"\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"Redken Extreme Litre Duo\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Redken\"},\"description\":\"Redken Extreme Litre Duo. 1 litre shampoo and 1 litre conditioner with fortifying protein complex for severely damaged, over-processed, and breakage-prone hair. Available at Zennkai Canada.\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"CAD\",\"price\":87.26,\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"Zennkai\",\"url\":\"https:\/\/zennkai.com\"}}}\u003c\/script\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 4.0pt;\"\u003e\u003cspan style=\"color: #2a2a2a;\"\u003eThe Redken Extreme Litre Duo is the professional 1-litre shampoo and conditioner for severely damaged, over-processed, or breakage-prone hair — using a fortifying protein complex that fills weakened zones in the hair shaft, rebuilds tensile strength, and reduces breakage from the first wash, in the professional salon size at Canada's lowest price.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 2.0pt;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 6.0pt 0cm 2.0pt 0cm;\"\u003e\u003cb\u003e\u003cspan style=\"color: #18191e;\"\u003eWhat's Included\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003ca href=\"https:\/\/zennkai.com\/collections\/redken\/products\/redken-extreme-shampoo-1l\" title=\"Redken Extreme Shampoo 1L | Buy in Canada | Zennkai\"\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eRedken Extreme Shampoo — 1 litre (1000ml)\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003ca href=\"https:\/\/zennkai.com\/collections\/redken\/products\/redken-extreme-conditioner-1l\" title=\"Redken Extreme Conditioner 1L | Buy in Canada | Zennkai\"\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eRedken Extreme Conditioner — 1 litre (1000ml)\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 2.0pt;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 6.0pt 0cm 2.0pt 0cm;\"\u003e\u003cb\u003e\u003cspan style=\"color: #18191e;\"\u003eWhy Buy the Litre Size\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eSave 35% vs buying two regular bottles — protein repair works cumulatively, making the litre the economical choice for the consistency results require\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eSeverely damaged hair needs consistent daily use — the litre ensures you never interrupt the repair routine by running out\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eProfessional salon size used by colourists who recommend Extreme to clients post-bleach or post-chemical service\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eNot available at Sephora in litre size — Zennkai is an authorized Canadian source\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eLasts approximately 3–4 months with daily use for medium-length hair\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 2.0pt;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 6.0pt 0cm 2.0pt 0cm;\"\u003e\u003cb\u003e\u003cspan style=\"color: #18191e;\"\u003eAbout Redken Extreme\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 4.0pt;\"\u003e\u003cspan style=\"color: #2a2a2a;\"\u003eRedken Extreme is the brand's dedicated repair system for hair that has been pushed past its limit — by bleach, repeated colouring, heat styling, or aggressive chemical services. The protein-fortifying formula works at the level of the damaged fiber, filling weakened and porous sections and rebuilding tensile strength. Widely recommended by Canadian stylists as the daily maintenance system for clients with visibly compromised or fragile hair who need results between appointments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 2.0pt;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 6.0pt 0cm 2.0pt 0cm;\"\u003e\u003cb\u003e\u003cspan style=\"color: #18191e;\"\u003eKey Ingredient\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 4.0pt;\"\u003e\u003cspan style=\"color: #2a2a2a;\"\u003eFortifying protein complex — Redken's concentrated protein blend that fills weakened, porous sections of the hair shaft and rebuilds structural strength from within. Reduces breakage during brushing and styling measurably with consistent use, improving elasticity and resistance to snapping.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 2.0pt;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 6.0pt 0cm 2.0pt 0cm;\"\u003e\u003cb\u003e\u003cspan style=\"color: #18191e;\"\u003eBest For\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eSeverely damaged, over-processed, or fragile hair\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eHair that breaks easily during brushing or styling\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003ePost-bleach or post-relaxer recovery as a daily maintenance system\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eHair with significant porosity and structural weakness from repeated chemical services\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ListParagraph\" style=\"text-indent: -18.0pt; mso-list: l0 level1 lfo1; margin: 0cm 0cm 2.5pt 36.0pt;\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan style=\"mso-fareast-font-family: Arial;\"\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e•\u003cspan style=\"font: 7.0pt 'Times New Roman';\"\u003e        \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan style=\"font-size: 10.0pt; color: #333333;\"\u003eAnyone rebuilding hair health after a period of over-styling or chemical damage\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 2.0pt;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 4.0pt;\"\u003e\u003cspan style=\"color: #2a2a2a;\"\u003eAvailable at Zennkai — Canada's lowest professional price on Redken. Authorized retailer. 100% authenticated professional stock. Free shipping on orders over $50. Ships anywhere in Canada. Beauty with Benefits members earn points on every purchase — join free at \u003ca href=\"https:\/\/zennkai.com\/pages\/beauty-with-benefits-2-0-new\" title=\"Beauty with Benefits | Rewards \u0026amp; Discounts | Zennkai\"\u003ezennkai.com\/pages\/beauty-with-benefits\u003c\/a\u003e. Shop the full Redken collection at \u003ca href=\"https:\/\/zennkai.com\/collections\/redken\" title=\"Redken Haircare Canada | Zennkai\"\u003ezennkai.com\/collections\/redken\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Redken","offers":[{"title":"Default Title","offer_id":24616734851,"sku":"743877002723","price":96.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1253\/1225\/files\/RedkenExtremeDuo.jpg?v=1713304967","url":"https:\/\/zennkai.com\/products\/redken-extreme-litre-duo","provider":"Zennkai","version":"1.0","type":"link"}