![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
Marie's Beauty Salon and Supply - What is K18? A leave-in treatment mask for all hair types that clinically reverses damage in 4 minutes. The patented peptide technology works to repair damage
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