noun
fungicide; mold inhibitor; antimold agent
Refers to a substance or product that prevents mold growth, used in household, industrial, and food contexts.
浴室のカビ止めスプレーを買った。
I bought a mold-inhibiting spray for the bathroom.
この塗料にはカビ止め成分が入っている。
This paint contains an antimold agent.
防カビ剤 is a more formal term for mold-preventing agent, often used in technical contexts, while カビ止め is a common, everyday word.
Compound of カビ (mold) and 止め (stopping), from the verb 止める (to stop).