Our dense hair fiber powder contains modified corn starch, starch octenyl aluminum succinate. It attaches to the scalp and covers the seams, making hair look fuller and thicker. Its application is simple: Before application, dry the hair, then brush the product brush directly on the desired area or hair thinning point, pat the brush on the scalp to release the powder, use the brush to mix the powder in the hair in a circular motion, continue to pat and rotate until the desired amount of coverage is achieved. It can stay on the hair for a long time, and keep the hair fuller and thicker for a long time.