conditioner
//kənˈdɪʃənər//
Noun
conditionerSingular
conditionersPlural
1
A liquid or cream applied to hair after washing to improve its texture, softness, and manageability.
I always use conditioner after shampooing to keep my hair soft.
2
A substance or device used to improve or maintain the condition of something, such as fabric softener for clothes or a machine that regulates air temperature and humidity.
We turned on the air conditioner because the room was too hot.