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Over 500 5-star reviews
![K18 Leave In Molecular Repair Mask 5ml - Unwritten](http://unwritten.hair/cdn/shop/files/Screenshot2023-04-28133455_{width}x.png?v=1682660114)
![K18 Leave In Molecular Repair Mask 5ml - Unwritten](http://unwritten.hair/cdn/shop/files/Screenshot2023-04-28133455_{width}x.png?v=1682660114)
K18 Leave In Molecular Repair Mask 5ml
Experience the Ultimate Hair Transformation with the K18 Leave-In Treatment
Unlock the power of our at-home leave-in treatment, enriched with our exclusive K18Peptide™ technology. This revolutionary formula is designed to effectively repair even the most severe damage, revitalizing your hair to its youthful, healthy best. Witness the transformation as your locks regain their vitality and strength.
For lasting hydration
For repair & strength
Vegan & cruelty-free
Aussie made
Same day despatch
Money back guarantee
Product details
Experience the Ultimate Hair Transformation with the K18 Leave-In Treatment
Unlock the power of our at-home leave-in treatment, enriched with our exclusive K18Peptide™ technology. This revolutionary formula is designed to effectively repair even the most severe damage, revitalizing your hair to its youthful, healthy best. Witness the transformation as your locks regain their vitality and strength.
-
What is it
Experience the Ultimate Hair Transformation with the K18 Leave-In Treatment
Unlock the power of our at-home leave-in treatment, enriched with our exclusive K18Peptide™ technology. This revolutionary formula is designed to effectively repair even the most severe damage, revitalizing your hair to its youthful, healthy best. Witness the transformation as your locks regain their vitality and strength.
Pairs well with
![](http://unwritten.hair/cdn/shop/files/VitaminStyling-trio-1_1_{width}x.jpg?v=1697513745)
![](http://unwritten.hair/cdn/shop/files/IMG_9088_{width}x.jpg?v=1711333245)
Vitamin Styling Trio
![Vitamin Styling Trio](http://unwritten.hair/cdn/shop/files/VitaminStyling-trio-1_1_{width}x.jpg?v=1697513745)
![Vitamin Styling Trio](http://unwritten.hair/cdn/shop/files/IMG_9088_{width}x.jpg?v=1711333245)
![Vitamin Styling Trio](http://unwritten.hair/cdn/shop/files/VitaminStyling-trio_1_{width}x.jpg?v=1711333245)
![Vitamin Styling Trio](http://unwritten.hair/cdn/shop/files/OhHigh_BeforeAfter_1_1_{width}x.jpg?v=1711333245)
![Vitamin Styling Trio](http://unwritten.hair/cdn/shop/files/Labels_7cfdd97b-6267-450a-bec3-8b0f6ff4a751_{width}x.jpg?v=1711333245)
![Vitamin Styling Trio](http://unwritten.hair/cdn/shop/files/LevelUpConditioner_stopmotion_1_1_{width}x.gif?v=1711333245)
Vitamin Styling Trio
Unwritten
![](http://unwritten.hair/cdn/shop/files/LevelUp-duo-1_1_{width}x.jpg?v=1697508167)
![](http://unwritten.hair/cdn/shop/files/IMG_9077_{width}x.jpg?v=1715087046)
Vitamin Duo
![Vitamin Duo](http://unwritten.hair/cdn/shop/files/LevelUp-duo-1_1_{width}x.jpg?v=1697508167)
![Vitamin Duo](http://unwritten.hair/cdn/shop/files/IMG_9077_{width}x.jpg?v=1715087046)
![Vitamin Duo](http://unwritten.hair/cdn/shop/files/IMG_9062_{width}x.jpg?v=1715087046)
![Vitamin Duo](http://unwritten.hair/cdn/shop/files/6_{width}x.png?v=1715087046)
![Vitamin Duo](http://unwritten.hair/cdn/shop/files/5_{width}x.png?v=1715087046)
![Vitamin Duo](http://unwritten.hair/cdn/shop/files/LevelUpConditioner_BeforeAfter_1_1_{width}x.jpg?v=1715087046)
![Vitamin Duo](http://unwritten.hair/cdn/shop/files/LevelUpConditioner_stopmotion_2_1_{width}x.gif?v=1715087046)
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![Vitamin Duo](http://unwritten.hair/cdn/shop/files/Labels_b146ea72-3eeb-4576-bb4b-6886a46f986a_{width}x.jpg?v=1715087046)
Vitamin Duo
Unwritten
74 Reviews![](http://unwritten.hair/cdn/shop/files/BlondeBombshell_{width}x.jpg?v=1705967875)
![](http://unwritten.hair/cdn/shop/files/IMG_9079_2eaed592-9ff6-4e06-86c1-d6848ffa7692_{width}x.jpg?v=1715091330)
Blonde Bombshell Collection
![Blonde Bombshell Collection](http://unwritten.hair/cdn/shop/files/BlondeBombshell_{width}x.jpg?v=1705967875)
![Blonde Bombshell Collection](http://unwritten.hair/cdn/shop/files/IMG_9079_2eaed592-9ff6-4e06-86c1-d6848ffa7692_{width}x.jpg?v=1715091330)
![Blonde Bombshell Collection](http://unwritten.hair/cdn/shop/files/IMG_9082_44c92fd4-3a2a-4b8f-98b9-a696cd5cda4d_{width}x.jpg?v=1715091330)
![Blonde Bombshell Collection](http://unwritten.hair/cdn/shop/files/IMG_9005_{width}x.jpg?v=1715091330)
![Blonde Bombshell Collection](http://unwritten.hair/cdn/shop/files/unwritten_x_holly_ogden_square_12_{width}x.jpg?v=1715091330)
![Blonde Bombshell Collection](http://unwritten.hair/cdn/shop/files/unwritten_x_holly_ogden_square_10_{width}x.jpg?v=1715091330)
![Blonde Bombshell Collection](http://unwritten.hair/cdn/shop/files/unwritten_x_holly_ogden_square_11_{width}x.jpg?v=1715091330)
![Blonde Bombshell Collection](http://unwritten.hair/cdn/shop/files/BlondeBombshell2_{width}x.jpg?v=1715091330)
![Blonde Bombshell Collection](http://unwritten.hair/cdn/shop/files/Benefit_SoSublime_0b20c314-dc08-4c1a-a7df-eacdcf11a7ab_{width}x.png?v=1715091307)
Blonde Bombshell Collection
Unwritten
![](http://unwritten.hair/cdn/shop/files/HydroRepair-trio-1_1_{width}x.jpg?v=1697511430)
![](http://unwritten.hair/cdn/shop/files/IMG_8989_{width}x.jpg?v=1711333532)
Hydration Repair Trio
![Hydration Repair Trio](http://unwritten.hair/cdn/shop/files/HydroRepair-trio-1_1_{width}x.jpg?v=1697511430)
![Hydration Repair Trio](http://unwritten.hair/cdn/shop/files/IMG_8989_{width}x.jpg?v=1711333532)
![Hydration Repair Trio](http://unwritten.hair/cdn/shop/files/HydroRepair-trio_1_{width}x.jpg?v=1711333532)
![Hydration Repair Trio](http://unwritten.hair/cdn/shop/files/SoSublime_BeforeAfter_2_1_{width}x.jpg?v=1711333532)
![Hydration Repair Trio](http://unwritten.hair/cdn/shop/files/Labels_437abd7d-d327-421a-baad-6676bd201faf_{width}x.jpg?v=1711333532)
![Hydration Repair Trio](http://unwritten.hair/cdn/shop/files/BlissOutShampoo_stopmotion_2_1_{width}x.gif?v=1711333532)
Hydration Repair Trio
Unwritten
90 Reviews![](http://unwritten.hair/cdn/shop/files/BlissOut-duo-1_3e846209-cd6a-493b-b5bb-5e4c7f7dbb93_{width}x.jpg?v=1697508854)
![](http://unwritten.hair/cdn/shop/files/Bliss_out_DUO_7e19473b-88c2-4ce4-87b6-5e028e3cf421_{width}x.jpg?v=1716965690)
Hydration Duo
![Hydration Duo](http://unwritten.hair/cdn/shop/files/BlissOut-duo-1_3e846209-cd6a-493b-b5bb-5e4c7f7dbb93_{width}x.jpg?v=1697508854)
![Hydration Duo](http://unwritten.hair/cdn/shop/files/Bliss_out_DUO_7e19473b-88c2-4ce4-87b6-5e028e3cf421_{width}x.jpg?v=1716965690)
![Hydration Duo](http://unwritten.hair/cdn/shop/files/IMG_8973_{width}x.jpg?v=1716965690)
![Hydration Duo](http://unwritten.hair/cdn/shop/files/UnwrittenHair10_{width}x.jpg?v=1716965690)
![Hydration Duo](http://unwritten.hair/cdn/shop/files/12C0A6E1-6018-49DB-AD11-8ED772DF1028_{width}x.png?v=1716965690)
![Hydration Duo](http://unwritten.hair/cdn/shop/files/BlissOut-duo_6160806f-43b7-424b-aa9f-274d1322dd09_{width}x.jpg?v=1716965687)
![Hydration Duo](http://unwritten.hair/cdn/shop/files/Labels_cf317a62-ef53-48c1-8fd3-9d1e3ee31cf7_{width}x.jpg?v=1716965687)
![Hydration Duo](http://unwritten.hair/cdn/shop/files/BlissOutShampoo_stopmotion_1_1_{width}x.gif?v=1716965687)
Hydration Duo
Unwritten
76 Reviews![](http://unwritten.hair/cdn/shop/files/Home_Away_d1451827-3711-4696-aee8-4dbe6b9deb30_{width}x.png?v=1715132035)
![](http://unwritten.hair/cdn/shop/files/Untitleddesign_4_6045a38f-e529-45a5-b6a8-4d60e62bd61a_{width}x.png?v=1715132035)
Home & Away Styling Brush Combo
![Home & Away Styling Brush Combo](http://unwritten.hair/cdn/shop/files/Home_Away_d1451827-3711-4696-aee8-4dbe6b9deb30_{width}x.png?v=1715132035)
![Home & Away Styling Brush Combo](http://unwritten.hair/cdn/shop/files/Untitleddesign_4_6045a38f-e529-45a5-b6a8-4d60e62bd61a_{width}x.png?v=1715132035)
![Home & Away Styling Brush Combo](http://unwritten.hair/cdn/shop/files/IMG_5111_1_{width}x.heic?v=1715132035)
![Home & Away Styling Brush Combo](http://unwritten.hair/cdn/shop/files/HASBCUpsell-pricechanged_0f8c9546-5550-46a6-96c7-c06aec334910_{width}x.jpg?v=1715825434)
Home & Away Styling Brush Combo
Unwritten
![](http://unwritten.hair/cdn/shop/files/Brush-duo_{width}x.jpg?v=1700432292)
![](http://unwritten.hair/cdn/shop/files/Untitleddesign_2_{width}x.png?v=1715092561)
Brush Duo
![Brush Duo](http://unwritten.hair/cdn/shop/files/Brush-duo_{width}x.jpg?v=1700432292)
![Brush Duo](http://unwritten.hair/cdn/shop/files/Untitleddesign_2_{width}x.png?v=1715092561)
![Brush Duo](http://unwritten.hair/cdn/shop/files/Untitleddesign_3_{width}x.png?v=1715092561)
![Brush Duo](http://unwritten.hair/cdn/shop/files/Brush_stopmotion_eec135c5-5c8e-4da2-be2d-b3dd8cd313c5_{width}x.gif?v=1715092561)
![Brush Duo](http://unwritten.hair/cdn/shop/files/Brush2_7f369143-7a13-451b-afcc-0bc9b4cf74fe_{width}x.jpg?v=1715092561)
![Brush Duo](http://unwritten.hair/cdn/shop/files/Brush1_0efbc479-84a2-4ce6-95d6-056de701d06a_{width}x.jpg?v=1715092561)
Brush Duo
Unwritten
![](http://unwritten.hair/cdn/shop/files/IMAGE_NewTrio_SSx2_BOC_{width}x.png?v=1710827949)
![](http://unwritten.hair/cdn/shop/files/Screenshot2024-03-22at2.49.58pm_{width}x.jpg?v=1711079804)
Roots to ends Trio
![Roots to ends Trio](http://unwritten.hair/cdn/shop/files/IMAGE_NewTrio_SSx2_BOC_{width}x.png?v=1710827949)
![Roots to ends Trio](http://unwritten.hair/cdn/shop/files/Screenshot2024-03-22at2.49.58pm_{width}x.jpg?v=1711079804)
![Roots to ends Trio](http://unwritten.hair/cdn/shop/files/IMG_91076_{width}x.jpg?v=1715089380)
![Roots to ends Trio](http://unwritten.hair/cdn/shop/files/IMG_8943_051dc0ce-448c-4206-a355-7d106f4276c6_{width}x.jpg?v=1715089380)
![Roots to ends Trio](http://unwritten.hair/cdn/shop/files/IMG_9106_{width}x.jpg?v=1715089380)
![Roots to ends Trio](http://unwritten.hair/cdn/shop/files/Benefit_BlissOutConditioner_04572ca3-506e-4fbb-8432-bea55f8dc7e2_{width}x.png?v=1715089380)
![Roots to ends Trio](http://unwritten.hair/cdn/shop/files/Benefit_SoSublime_a2cefd4f-020c-47d0-a36c-41389090ef1e_{width}x.png?v=1715089380)
Roots to ends Trio
Unwritten
![](http://unwritten.hair/cdn/shop/files/Untitleddesign_{width}x.png?v=1715090153)
![](http://unwritten.hair/cdn/shop/files/OTGStyling1_{width}x.jpg?v=1715090153)
So Sublime! duo + On-the-go wooden cushion brush
![So Sublime! duo + On-the-go wooden cushion brush](http://unwritten.hair/cdn/shop/files/Untitleddesign_{width}x.png?v=1715090153)
![So Sublime! duo + On-the-go wooden cushion brush](http://unwritten.hair/cdn/shop/files/OTGStyling1_{width}x.jpg?v=1715090153)
![So Sublime! duo + On-the-go wooden cushion brush](http://unwritten.hair/cdn/shop/files/IMG_1899_{width}x.heic?v=1715090153)
![So Sublime! duo + On-the-go wooden cushion brush](http://unwritten.hair/cdn/shop/files/IMG_1908_1_{width}x.heic?v=1715090153)
So Sublime! duo + On-the-go wooden cushion brush
Unwritten
![](http://unwritten.hair/cdn/shop/files/sosublimeDuo_{width}x.jpg?v=1707967909)
![](http://unwritten.hair/cdn/shop/files/IMG_1920_{width}x.heic?v=1715090425)
So Sublime! Duo
![So Sublime! Duo](http://unwritten.hair/cdn/shop/files/sosublimeDuo_{width}x.jpg?v=1707967909)
![So Sublime! Duo](http://unwritten.hair/cdn/shop/files/IMG_1920_{width}x.heic?v=1715090425)
![So Sublime! Duo](http://unwritten.hair/cdn/shop/files/IMG_1908_1_1fe9907a-5330-4616-a84e-cb01ee2f8522_{width}x.heic?v=1715090425)
![So Sublime! Duo](http://unwritten.hair/cdn/shop/files/IMG_1907_{width}x.heic?v=1715090425)
![So Sublime! Duo](http://unwritten.hair/cdn/shop/files/So_sublime_b7d4f8a7-e4e5-44d1-b30a-ed5117589ab6_{width}x.jpg?v=1715090425)
So Sublime! Duo
Unwritten
![](http://unwritten.hair/cdn/shop/files/LitUp-SoSublime_{width}x.jpg?v=1705384703)
![](http://unwritten.hair/cdn/shop/files/IMG_4918_1_{width}x.heic?v=1715091054)
Blonde Revival Duo
![Blonde Revival Duo](http://unwritten.hair/cdn/shop/files/LitUp-SoSublime_{width}x.jpg?v=1705384703)
![Blonde Revival Duo](http://unwritten.hair/cdn/shop/files/IMG_4918_1_{width}x.heic?v=1715091054)
![Blonde Revival Duo](http://unwritten.hair/cdn/shop/files/IMG_8997_{width}x.jpg?v=1715091052)
![Blonde Revival Duo](http://unwritten.hair/cdn/shop/files/unwrittenxhollyogden-10_{width}x.jpg?v=1715091052)
![Blonde Revival Duo](http://unwritten.hair/cdn/shop/files/LitUp-SoSublime2_{width}x.jpg?v=1715091050)
Blonde Revival Duo
Unwritten
![](http://unwritten.hair/cdn/shop/files/HydroStylingDuo-1_e57697e6-971b-44e2-8feb-0ffd92303e47_{width}x.jpg?v=1705968024)
![](http://unwritten.hair/cdn/shop/files/IMG_50792_{width}x.heic?v=1715093587)
Anti-Frizz Styling Duo
![Anti-Frizz Styling Duo](http://unwritten.hair/cdn/shop/files/HydroStylingDuo-1_e57697e6-971b-44e2-8feb-0ffd92303e47_{width}x.jpg?v=1705968024)
![Anti-Frizz Styling Duo](http://unwritten.hair/cdn/shop/files/IMG_50792_{width}x.heic?v=1715093587)
![Anti-Frizz Styling Duo](http://unwritten.hair/cdn/shop/files/IMG_5044_{width}x.heic?v=1715093587)
![Anti-Frizz Styling Duo](http://unwritten.hair/cdn/shop/files/Hey_genie_1a2b77da-a231-4ef6-9e3e-5e0cdb0742e7_{width}x.jpg?v=1715093587)
![Anti-Frizz Styling Duo](http://unwritten.hair/cdn/shop/files/So_sublime_58b47b1f-9ab8-40eb-87d9-81c2ad106c95_{width}x.jpg?v=1715093587)
![Anti-Frizz Styling Duo](http://unwritten.hair/cdn/shop/files/SoSublime_BeforeAfter_cb9897b8-9348-4d50-b9d4-2614a227ed58_{width}x.jpg?v=1715093582)
![Anti-Frizz Styling Duo](http://unwritten.hair/cdn/shop/files/BEFOREANDAFTER1_{width}x.png?v=1715093582)
![Anti-Frizz Styling Duo](http://unwritten.hair/cdn/shop/files/SoSublime-features_cd99a5b8-7fde-4eec-b955-a7d32a965a62_{width}x.jpg?v=1715093582)
![Anti-Frizz Styling Duo](http://unwritten.hair/cdn/shop/files/HeyGenie-features_65dd965a-7856-4f81-b6c6-1853ec3b2799_{width}x.jpg?v=1715093582)
Anti-Frizz Styling Duo
Unwritten
![](http://unwritten.hair/cdn/shop/files/StylingTrio-1_{width}x.jpg?v=1714708296)
![](http://unwritten.hair/cdn/shop/files/IMG_5047_{width}x.heic?v=1714708322)
Styling Trio
![Styling Trio](http://unwritten.hair/cdn/shop/files/StylingTrio-1_{width}x.jpg?v=1714708296)
![Styling Trio](http://unwritten.hair/cdn/shop/files/IMG_5047_{width}x.heic?v=1714708322)
![Styling Trio](http://unwritten.hair/cdn/shop/files/SoSublime_BeforeAfter_3d2d3961-ed58-4db7-8357-ee886519a787_{width}x.jpg?v=1715086984)
![Styling Trio](http://unwritten.hair/cdn/shop/files/HeyGenie-features_b43ef26b-396e-4a92-b0af-f741cc50b187_{width}x.jpg?v=1715086984)
![Styling Trio](http://unwritten.hair/cdn/shop/files/IMG_5085_{width}x.heic?v=1715086993)
![Styling Trio](http://unwritten.hair/cdn/shop/files/Labels_b59d87d3-38b1-4290-b10d-3ea7832bb07b_{width}x.jpg?v=1715086993)
Styling Trio
Unwritten