1. Its microfibers stay firmly in place through wind, rain and perspiration for longer-lasting results.2. Made of natural and non-toxic ingredients, it has no stimulation and does no harm to your hair and won't clog pores.3. It just takes a short time to take effect, perfect for dating, working, traveling, etc.4. The fibers blend undetachably with your existing hair, instantly making it full and thick.5. The hair building fibers work with all hair types and textures.Specification:Description:The hair fiber refill bag is designed for reusing your empty hair fiber container. It is made of natural cotton powder and mineral composition, can instantly make your hair denser. The fibers blend undetachably with your existing hair, instantly making it full and thick.Features:Its microfibers stay firmly in place through wind, rain and perspiration for longer-lasting results.Made of natural and non-toxic ingredients, it has no stimulation and does no harm to your hair and won't clog pores.The fibers blend undetachably with your existing hair, instantly making it full and thick.It just takes a short time to take effect, perfect for dating, working, traveling, etc.The hair building fibers work with all hair types and textures.The hair building fibers can be mixed to find the closest matched color to your hair.Specification:Item Type: Hair Building FiberOptional Colors: Black, Dark Brown, Medium Brown, Light Brown, WhiteNet Weight: 25g / 0.88ozPackage Weight: Approx. 100gInstructions:1. Organize your hair. The hair must be dry before use. Do not use any setting agent.2. Open the jar, tilt the mesh mouth down at a 45-degree angle, and gently shake the thin hair part to make the fibers evenly slide down to the hair until the scalp is invisible.3. Tap all the hair with your hands to help it spread out and adhere, so that the fibers can completely penetrate