fountain of youth
See also: Fountain of Youth
- (idiomatic) Anything reputed to have the power to restore health and vitality or to restore a youthful appearance.
- Just watching the advertisement, you'd think the face cream was a fountain of youth.
1900, Charles W. Chesnutt, chapter I, in The House Behind the Cedars:
- Who has not known some even-tempered old man or woman who seemed to have drunk of the fountain of youth?
anything reputed to have the power to restore health and vitality