Looks21 has given millions of men and women the look and confidence of a full thick head of hair and a more youthful appearance Made of 100 Natural fiber which is naturally statically charged and intertwines with your existing hair for a completely natural look Looks21 Hair Fiber resists wind rain and perspiration but removes easily with shampoo Looks21 Hair Thickening Fibers are made with multitone adapt coloring system which helps the fibers blend with your hair seamlessly even if your own hair shade is slightly different Pick a color that is a closest match to your own hair Looks21 is not an animal sourced keratin hair building fiber its a 100 Natural Plant sourced Vegan Cruelty Free product