KÖ-HAIR fibers for instant hair thickening with natural cotton fibers: your solution for a thicker look. Our KÖ-HAIR fibers are developed in Germany and dermatologically tested. They are made from natural cotton fibers (Gossypium Herbaceum) that adhere perfectly to your existing hair. This advanced formula allows for quick and effective thickening of your hair, creating a natural, fuller appearance.Benefits: Instantly thickens hair for a natural, fuller look Easy and quick application for daily use Made from natural cotton fibers