noun
rejuvenating agent; rejuvenation drug
Refers to a substance or medicine that restores youthfulness or vitality. Often used in contexts of anti-aging or revitalization.
この化粧品は回春剤として宣伝されている。
This cosmetic is advertised as a rejuvenating agent.
回春剤の効果を期待して、多くの人がサプリメントを購入する。
Hoping for the effects of a rejuvenation drug, many people buy supplements.