Define hairlines or turn up the volume with Toppik Hair Filler. Made from premium, colored keratin fibers that blend undetectably with existing strands- instantly creating thicker, fuller-looking hairstyles. A must-have for celebrity stylists for years. Toppik hair-filling fibers are made of natural ingredients bringing a stress-free and safe way to fill in hairlines, head crowns, baby hairs, extension tracks, or an area with fine hair. This organic hair thickener for human hair forms a strong attraction with hair to stay put all day long and night. Charged with static electricity to create a magnetic attraction with hair to form an undetectable bond. Rain, the wind, the sun, or even hair sweat the hair fiber will hold strong. Toppik hair fibers can stand up to the tough natural elements, and can easily be removed by washing the hair filler from your hair. Made from keratin protein, our hair fiber can be used to add hair volume in a short time. Toppik Hair Filler is easy to integrate into any styling routine.