· Instantly builds your hair with natural keratin protein fibers · Does not contain active nor harmful substances. No bactericide or preservative · 2nd generation building fibers - slimmer fibers providing better static adherence · Removes easily with any shampoo · 100% colorfast - no run or stain Safety Information: For external use only. Stop using if any irritation or rash appears. Avoid contact with eyes. If contact with eyes, rinse with water immediately. Keep out of the reach of children. Ingredients: Plant Resinous Fiber, Keratin Derivative, Antistatic Agent, Ammonium Bicarbonate Directions: 1) Make sure your hair is dry before use. Don't use any hairspray before applying FULLY Fibers. 2) Shake liberally over the thinning area until the area is completely covered. 3) Gently pat hair to let the fibers completely attach to the hair. 4) Apply your favorite hairspray over the area treated.