verb (used with object), moisturized, moisturizing.
to add or restore moisture
to (something): to moisturize one's skin with lotion; to moisturize air.
verb (used without object), moisturized, moisturizing.
to make something moist
; counteract a dry condition with moisture
: a skin cream that moisturizes while you sleep.
Also, especially British, moisturise.
demoisturize, verb (used with object), demoisturized, demoisturizing.