Instructions for use: 1. when using, hair must be dry. 2. Open the jar, hold it 7.5 to 15 cm above your head, aim it at the area you want to use, and gently shake the product to let the fibers slide down into your hair. Then pat it with your hand to help it spread and attach. 3. If you use it near the hairline on the forehead, use your thumb and index finger to block it from falling into your eyes or face. 4. If you can't see the hair in the middle and back, you can use your other hand and stand in front of a large mirror with a small mirror to adjust the position, and when you get used to it, you can use the product skillfully without a mirror. 5. Finally, use a comb to organize your hair. It only takes 30 seconds to see the Toppik in action. 6. Tighten the lid after use and store it in a place that is free from humidity. 7. the product is not afraid of strong wind and rain, but it can be easily removed and washed out with normal shampoo. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.