For hair-care brand K18, everything starts and ends with the K18Peptide. "The peptide isn't a marketing story; it's the product architecture," Rita El-Khouri, PhD, senior vice president of research and innovations at K18, explains. Per the brand, the ingredient — born from decades of research and testing — repairs the hair's structure from within at a "molecular level," unlike traditional conditioning agents that simply coat the hair to smooth its surface. "Every formula is designed to support or extend the benefits of molecular repair. That creates a fundamentally different approach compared to brands that rely on cosmetic ingredients or surface-level conditioning," explains El-Khouri. But what stops other companies from simply copy-and-pasting that very successful technology for their own gain? Proprietary status. A proprietary ingredient is simply an ingredient that is exclusive to a brand, cosmetic chemist Kelly Dobos tells Fashionista. ...
A popular way of dressing during a particular time or among a particular group of people. : the business of creating and selling clothes in new styles. : clothes that are popular.