It is a brush that can produce the effect of a rainbow-colored hologram. 虹色のホログラムのような効果を出せるブラシです。
It may be a good idea to quickly scatter it where you want to create an effect, such as light. It is recommended to use it with overlay and dodge luminescence.
光など効果を出したい場所にさっと散らすと良いかもしれません。オーバーレイや覆い焼き発光で使うのがおすすめです。