PROBLEM TO BE SOLVED: To provide a scrub agent that is soft and does not damage or hurt skin, and is added to a detergent and the like.SOLUTION: The present invention provides a feather powder that is obtained by crushing feathers of a bird such as chicken, duck, goose, ostrich with a ball mill under a dry condition at 500 rpm for 48 hours, and has a particle size distribution shown in Figure 1.SELECTED DRAWING: Figure 1