Toppik Hair Building Fibers in Light Brown blend undetectably with existing hair to instantly create the appearance of naturally thick, full hair. Made from pure Keratin Protein, the same protein found in human hair Forms a bond with existing hair to conceal the appearance of thinning areas Resists wind and perspiration for long-lasting results Washes out easily with shampoo 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, styled hair Shake or spray fibers onto thinning areas Gently pat hair to disperse fibers Style as desired For best results, finish with FiberHold Spray Caution: For external use only. Discontinue use if irritation occurs. Avoid contact with eyes and inhalation.