spot removal (from skin)
Refers to cosmetic treatments or products for removing dark spots, freckles, or age spots from the skin. Usually written as シミ取り.
This cream is effective for spot removal.
stain remover
Refers to products or methods for removing stains from fabric or other materials. Usually written as 染み取り.
I used a stain remover to get the dirt out of my dress shirt.
Common spelling for stain remover (fabric).
Compound of しみ (stain/spot) + 取り (removal), from 取る (to remove).