noun
mosquito repellent; mosquito protection
Refers to products, devices, or measures that keep mosquitoes away, such as sprays, coils, or nets.
キャンプに行くときは、必ず蚊よけを持っていく。
When I go camping, I always bring mosquito repellent.
この蚊よけスプレーは肌に優しい。
This mosquito repellent spray is gentle on the skin.
虫よけ is a broader term for insect repellent in general, while 蚊よけ specifically targets mosquitoes.
Compound of 蚊 (ka, 'mosquito') and よけ (yoke, 'avoidance, protection'), the nominalized form of よける (yokeru, 'to avoid, to dodge').