K18 is a haircare brand that has recently taken the beauty business by storm. It has a long list of scientific credentials, and Hailey Bieber, Rihanna, and Selena Gomez are all said to be fans. Two new shampoos have been added to the K18 collection since the K18 hair mask went viral on TikTok earlier this year (more on that below).
The popular K18 leave-in molecular hair mask works better when used in conjunction with the two shampoos, Peptide PrepTM Detox Shampoo and Peptide PrepTM pH Maintenance Shampoo, which both promise stronger, healthier hair.
So how do the cult hair mask and K18 shampoos fare in the eyes of the Stylist beauty team? Continue reading for a comprehensive review of the K18 hair mask by Stylist’s beauty editor, Morgan Fargo, as well as Chloe Burcham’s opinions on the two brand-new shampoos and a detailed explanation of the science behind the line’s effectiveness.