Laundryou Pore Cleaning Brush
It looks like a toothbrush but the brush « hair » texture is very different : it consists of 10,000 super thin bristles that feel soft when brushing my nose, chin and forehead.
The brush is effective but maybe too aggressive. Or I use it too aggressively. When I apply the rest of my routine, some serums sting where I have brushed around my nose. I experience no stinging if I don’t brush. I might limit the brushing to my nose only and not the area around.
The bristles are thin enough that they can brush inside the pores - that is how I imagine they work! They are meant to mildly exfoliate.