{"product_id":"redken-extreme-length-leave-in-treatment-biotin-soy-protein-for-seals-split-ends-reduces-breakage-125-ml","title":"Redken Extreme Length Leave-In Treatment — Biotin \u0026 Soy Protein for Seals Split Ends, Reduces Breakage (125 ml)","description":"\u003cp\u003e\u003cstrong\u003eRedken Extreme Length Leave-In Treatment is a biotin-boosted leave-in that seals split ends and fortifies damaged strands to reduce breakage and support longer-looking hair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis lightweight leave-in uses Redken's Length Care Complex—formulated with biotin and soy protein—to strengthen fragile hair from root to tip, improve manageability, and protect strands between washes. Designed to be used alone or as part of the Extreme Length system, the treatment targets weakened areas to help hair grow longer while minimizing future breakage and visible split ends.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this leave-in help hair grow longer?\u003c\/h3\u003e\n\u003cp\u003eThe formula reinforces hair structure so fragile strands are less likely to snap as they lengthen. By improving tensile strength and smoothing cuticles, hair can retain length more effectively.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBiotin and soy protein strengthen the hair fiber for increased resilience.\u003c\/li\u003e\n  \u003cli\u003eLength Care Complex supports the root, core, and tip of each strand.\u003c\/li\u003e\n  \u003cli\u003eReduces friction during brushing to limit mechanical breakage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it actually reduce split ends and breakage?\u003c\/h3\u003e\n\u003cp\u003eWhen used as part of the full Extreme Length routine, clinical results show a significant reduction in breakage and split ends. The leave-in specifically seals and smooths cuticle edges to make split ends less visible and help prevent new ones.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReported 81% less breakage with the complete Extreme Length system.\u003c\/li\u003e\n  \u003cli\u003eReported 78% fewer visible split ends with system use.\u003c\/li\u003e\n  \u003cli\u003eTargets weak, damaged areas to lower the chance of strand snapping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use the Redken Extreme Length Leave-In Treatment?\u003c\/h3\u003e\n\u003cp\u003eApply to clean, towel-dried hair, focusing on mid-lengths and ends where damage is most common. The lightweight texture leaves hair manageable without weighing it down, and it can be incorporated into daily styling routines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse after shampoo and conditioner on damp hair for best absorption.\u003c\/li\u003e\n  \u003cli\u003eComb through to distribute evenly and reduce tangles before styling.\u003c\/li\u003e\n  \u003cli\u003eUse regularly or whenever extra protection from breakage is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat results can I expect and how quickly?\u003c\/h3\u003e\n\u003cp\u003eUsers typically notice improved smoothness and manageability after the first few applications, with cumulative strengthening and fewer visible split ends when used consistently. Maximum reduction in breakage and split ends is observed when combined with the full Extreme Length shampoo and conditioner.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImmediate: smoother, shinier, easier-to-comb hair.\u003c\/li\u003e\n  \u003cli\u003eOngoing: stronger strands and reduced breakage with repeated use.\u003c\/li\u003e\n  \u003cli\u003eBest results when paired with Extreme Length shampoo and conditioner.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Redken Extreme Length Leave-In Treatment is formulated for people with weakened, damaged, or fragile hair who want to protect length and reduce breakage. It suits all hair types that need strengthening and split-end management, particularly those growing out hair or seeking more resilient, longer-looking strands without heavy residues.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eAQUA \/ WATER \/ EAU\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;AMODIMETHICONE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;CETEARYL ALCOHOL\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;TRIDECETH-5\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;POLYQUATERNIUM-37\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;PHENOXYETHANOL\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;PROPYLENE GLYCOL DICAPRYLATE\/DICAPRATE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;STEARETH-20\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;PARFUM \/ FRAGRANCE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;SODIUM HYDROXIDE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;CITRIC ACID\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;GLYCERIN\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;PHENYL TRIMETHICONE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;CETYL HYDROXYETHYLCELLULOSE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;TRIDECETH-10\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;PPG-1 TRIDECETH-6\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;CETYL ALCOHOL\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;PRUNUS AMYGDALUS DULCIS OIL \/ SWEET ALMOND OIL\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;BIOTIN\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;POLYQUATERNIUM-67\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;ARGININE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;BEHENTRIMONIUM METHOSULFATE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;CHLORHEXIDINE DIGLUCONATE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;QUATERNIUM-33\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;SORBITAN OLEATE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;ACETIC ACID\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;BENZYL BENZOATE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;2-OLEAMIDO-1,3-OCTADECANEDIOL\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;HYDROLYZED SOY PROTEIN\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;LIMONENE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;BENZYL ALCOHOL\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;LINALOOL\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;SILICA DIMETHYL SILYLATE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;HYDRATED SILICA\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;POLYSORBATE 60\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;HYDROLYZED VEGETABLE PROTEIN PG-PROPYL SILANETRIOL\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;SODIUM ACETATE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;SODIUM CHLORIDE\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;ISOPROPYL ALCOHOL\u0026lt;\/div\u0026gt;\u0026lt;div\u0026gt;POTASSIUM SORBATE\u0026lt;\/div\u0026gt;\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: Can I use this leave-in every day?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s lightweight enough for daily use on damp or dry hair to help protect against breakage and improve manageability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Redken Extreme Length Leave-In suitable for color-treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The formula is compatible with color-treated hair and aims to strengthen and smooth without stripping color.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Redken","offers":[{"title":"Default Title","offer_id":49620618051722,"sku":"B086L3RLVM","price":109.48,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/4825\/6394\/files\/redken-extreme-length-front-packaging.jpg?v=1782843086","url":"https:\/\/auviraskincare.com\/products\/redken-extreme-length-leave-in-treatment-biotin-soy-protein-for-seals-split-ends-reduces-breakage-125-ml","provider":"Auvira Beauty","version":"1.0","type":"link"}