Toppik Hair Perfecting Duo contains the tools you need for a flawless Toppik Hair Fibers application, creating the look of fuller, thicker hair. Benefits: Create the look of fuller-looking, thicker hair by using these two tools together with Toppik Hair Building Fibers Hairline Optimizer is designed with irregular teeth to mimic a natural-looking front hairline Spray Applicator helps apply Hair Fibers more precisely into specific, targeted areas Helps achieve a soft, natural application of Fibers The Hair Perfecting Duo includes a Spray Applicator and Hairline Optimizer. These tools are designed to work with Toppik Hair Building Fibers (sold separately) to help create the appearance of thicker, fuller hair. The Spray Applicator allows for precise application in targeted areas, while the Hairline Optimizer helps create a natural-looking hairline. Suggested Use Spray Applicator: Unscrew Hair Fibers cap Twist and pull off sifter Screw the Spray Applicator onto the bottle Press down on the pump Adjust pressure to control the amount of Hair Fibers dispensed Hairline Optimizer: Insert the teeth of the Hairline Optimizer into your hairline Shake or spray Hair Fibers around hairline If desired, gently pat hair to disperse Hair Fibers Precautions: Avoid getting product in eyes. If eye contact occurs, rinse with water. Keep out of reach of children.