Same day dispatch
Shipped from our Sydney warehouse
100% confidence policy
Love it after 4 uses or we buy it back*
![](http://unwritten.hair/cdn/shop/files/reviews_a3e00d13-26ba-44c5-9327-e69e3c97a913.png?v=1710915239&width=2048)
Over 500 5-star reviews
![K18 Leave In Molecular Repair Mask 50ml - Unwritten](http://unwritten.hair/cdn/shop/products/k18_50_1_500_{width}x.webp?v=1667347449)
![K18 Leave In Molecular Repair Mask 50ml - Unwritten](http://unwritten.hair/cdn/shop/products/k18_50_1_500_{width}x.webp?v=1667347449)
K18 Leave In Molecular Repair Mask 50ml
A leave-in hair treatment to reverse chemical and physical damage to hair.
For lasting hydration
For repair & strength
Vegan & cruelty-free
Aussie made
Same day despatch
Money back guarantee
Product details
A leave-in hair treatment to reverse chemical and physical damage to hair.
-
What is it
A leave-in hair treatment to reverse chemical and physical damage to hair.
We tend to put our hair through a lot, which is where the K18 Leave-In Molecular Repair Mask comes into play. This no-rinse hair treatment, made with a patented bioactive peptide, promises to reverse damage caused by colouring, heat and styling. Think of it as an apology note to your frazzled, stressed-out hair - one that works by repairing the keratin within each strand.You can expect stronger, softer and more manageable hair as that damage is repaired. If your hair is porous, crunchy, over-processed and generally past its best, you’ll want to know about this mask.
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)
![Vitamin Duo](http://unwritten.hair/cdn/shop/files/LevelUp-duo_1_{width}x.jpg?v=1715087046)
![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
![](http://unwritten.hair/cdn/shop/files/K18_HairRepairStarterKit_00_1920x_2c1d5427-6259-4c3b-9aa7-4be802ecd137_450x.webp?v=1694656061)