![K18 Molecule Repair Leave-In Hair Mask Is a Viral Celebrity-Backed Four-Minute Hair Treatment — Editor Review, See Before & After Photos | Allure K18 Molecule Repair Leave-In Hair Mask Is a Viral Celebrity-Backed Four-Minute Hair Treatment — Editor Review, See Before & After Photos | Allure](https://media.allure.com/photos/62e8140df65012e58d827ea9/16:9/w_1280,c_limit/k18%20leave-in%20treatment%20social.jpg)
K18 Molecule Repair Leave-In Hair Mask Is a Viral Celebrity-Backed Four-Minute Hair Treatment — Editor Review, See Before & After Photos | Allure
![K18 Molecule Repair Leave-In Hair Mask Is a Viral Celebrity-Backed Four-Minute Hair Treatment — Editor Review, See Before & After Photos | Allure K18 Molecule Repair Leave-In Hair Mask Is a Viral Celebrity-Backed Four-Minute Hair Treatment — Editor Review, See Before & After Photos | Allure](https://media.allure.com/photos/62e4144b45de9adc1eb17a41/16:9/w_3488,h_1962,c_limit/k18%20mask%20review%20before%20and%20after%20lede.jpg)
K18 Molecule Repair Leave-In Hair Mask Is a Viral Celebrity-Backed Four-Minute Hair Treatment — Editor Review, See Before & After Photos | Allure
![K18 Leave In Molecular Repair Hair Mask Review | K18 Hair Mask Before and After | K18 Hair Masque - YouTube K18 Leave In Molecular Repair Hair Mask Review | K18 Hair Mask Before and After | K18 Hair Masque - YouTube](https://i.ytimg.com/vi/1l1U0-zgRHo/sddefault.jpg)