conditioner
/kənˈdɪʃənə(r)/noun
1- a substance or appliance used to improve or maintain something's condition调节剂; 改良剂; 调节器：
add a water conditioner to neutralize chlorine.
加入水质改良剂来中和氯。
1.1
- a liquid applied to the hair after shampooing to improve its condition护发素, 护发剂：
to prevent static, always use a conditioner
为防止静电, 请经常使用护发素
mass noun I have to use a lot of conditioner.我不得不用许多护发素。