Terez & Honor develops Korean beauty and personal-care formulas, with a particular focus on peptide-powered lash and brow serums and clinically tested under-eye treatments. Each formula is developed in Seoul and tested by dermatologists, while the brand emphasizes clean ingredients, responsible sourcing, and prostaglandin-free options for sensitive eyes. Its best-selling lash and brow serum is backed by more than 1,500 customer reviews and a 90-day money-back guarantee.