Toppik Hair Building Fibers in Black blend undetectably with existing hair to instantly create the appearance of naturally thick, full hair. Benefits: Improves the appearance of thinning hair Made from Keratin Protein, similar to human hair Forms a secure bond with existing hair Resists wind, rain, and perspiration Stays in place until washed out Ingredients Keratin, Ammonium chloride, Silica, Phenoxyethanol, Chlorphenesin, [+/-: Orange 4 (CI 15510), Yellow 6 (CI 15985), Red 33 (CI 17200), Yellow 5 (CI 19140), Green 3 (CI 42053), Blue 1 (CI 42090), Red 22 (CI 45380), Green 6 (CI 61565), Green 5 (CI 61570)] Suggested Use Apply to dry hair Shake liberally into thinning areas Gently pat hair to disperse Fibers Style as usual Precautions: For external use only. If irritation appears, discontinue use. Avoid contact with eyes and inhalation.