Toppik Hair Building Fibers in Gray color blend undetectably with existing hair to instantly create the appearance of naturally thick, full hair. Benefits: Safe and natural way to improve the appearance of thinning hair Made from pure Keratin Protein, the same protein found in human hair Electro-statically charged to form a strong attraction with your existing hair Blends perfectly to conceal the appearance of thinning in seconds Secure bond stays put all day in various conditions Ingredients Keratin Suggested Use Use on dry hair Shake liberally into thinning areas Gently pat hair to disperse Fibers Style as usual For greater durability, follow with Toppik FiberHold Spray Caution: For external use only. If irritation or rash appears, discontinue use. Avoid contact with eyes. Avoid inhalation.