Hair Building Fibers Medium Brown Perfect for men of all ages Hair Building Fibers is an amazing complex of tiny microfiber hairs that perfectly blend with your hair The keratin fibers cling to existing hair and in seconds fill in all thinning or balding areas Our fiber does not come off in wind rain or perspiration It is totally undetectable even from as close as two inches away Hair Building Fibers have the power of a miracle and will not come off in wind rain or perspiration It is totally undetectable even from as close as two inches The keratin fibers cling to existing hair and in seconds fill in all thinning or balding area This thickening fiber with keratin is created to provide you with a natural undetectable hair building effect The keratin fibers cling to existing hair and in seconds fill in all thinning areas The Hair Building Fibers Medium Brown is a professionalgrade hair fiber designed to perfectly blend with existing hair and fill in thinning or bald areas The keratin fibers are engineered to hold tightly in even the most extreme conditions like wind rain and perspiration Its undetectable even from up close This amazing hair building fiber is designed to trap in moisture lock in natural oils and add definition Made of pure keratin fibers it will not come off in wind rain or even perspiration We recommend you wet your hair before use The keratin fibers cling to existing hair and in seconds fill in all thinning or balding area The microfibers brush on hair building fibers deliver instant and longlasting results They can be applied throughout the day but can be felt the most at the root of a thinning or balding area where they cling to existing hair The keratin fibers cling to existing hair and in seconds fill in all thinning or balding area This is a product that generates a fuller appearance and prevents hair loss The keratin fibers adhere to existing hair following all of your needs They create a perfect blend with your existing hair allowing you to achieve an increase in density and fullness while preventing further hair loss