1. A person or thing that rejuvenates; something that restores youth, vitality, or freshness
The spa treatment was a rejuvenator for my tired skin.
O tratamento de spa foi um rejuvenador para minha pele cansada.
2. A substance or product used to restore or renew something to a better condition
This face cream acts as a rejuvenator for aging skin.
Este creme facial atua como um rejuvenador para a pele envelhecida.
3. In industrial contexts, a device or substance that restores properties to worn materials
The rejuvenator extended the life of the asphalt pavement.
O rejuvenador prolongou a vida do pavimento asfáltico.