layer or stain of missi or dentifrice on the lips and teeth

paint one's lips dark

allusion to a situation in which a person is unjustly held responsible for other's mistakes

is not available even in a minute quantity, is extremely rare or hard to come by

is not available even in a minute quantity, is extremely rare or hard to come by

resulting in spoilage

recover fully from a serious illness, recover from aftermath of childbirth