HAIR BUILDING FIBERS IN 23 COLORS. CLICK YOUR COLOR CHOICE ABOVE AND ADD TO CART. Free of Ammonium Chloride, DMD Hydantoin, Cellulose, Sodium Sulfate, Aluminate Silicate, Phenoxyethanol, preservatives, drying agents, animal products which potentially contain bacteria, etc. Easy to apply. Looks undetectable and natural. Wind resistent. Perspiration resistent. Highest quality Available Anywhere Finally Hair building fibers are extremely popular on Amazon because they are the highest grade fibers available at the lowest cost. These fibers conceal thinning areas in seconds. Simply shake them on your thin areas and watch them disappear and look like natural hair in seconds. Finally Hair fibers require hair spray to lock the fibers in place until you shampoo them out. Check out the Finally Hair Strong fiber lock spray available on Amazon. Please see the color chart which is made up of actual pictures of the hair fibers taken in natural sunlight (some device screens can vary the colors slightly). Finally Hair fibers are the pro health choice. For example there is no ammonium chloride (also known as Cetrimonium Chloride) in our fibers. Google ammonium chloride and you will see why. These award winning fibers are hypo allergenic, won't clog your pores, are perspiration and wind resistant, easy to apply, and hair surgeon recommended.