To get a natural hairline when using Toppiks hair fibers, you may need the help of Hairline Optimizer. With irregular teeth it constitutes the most realistic application of hair fibers to the hairline.
Use like this
Place Hairline Optimizer on the hair at the hairline and add Toppik. Soon you will find the perfect location, not too far up and not too far down. If you want to reduce the softness of the hair line, you can use a pair of scissors to cut the teeth on the tools a few millimeters.