noun, noun which may take the genitive case particle 'no'
anti-aging agent; antioxidant
Refers to substances that prevent or slow aging, often used in cosmetics, supplements, or food science. The gloss 'antioxidant' reflects a common mechanism, but the term is broader.
この化粧品には老化防止剤が含まれている。
This cosmetic contains an anti-aging agent.
老化防止剤としてビタミンCがよく使われる。
Vitamin C is often used as an anti-aging agent.
Specifically means 'antioxidant' and is more precise in scientific contexts, while 老化防止剤 is a broader term for any anti-aging substance.
Compound of 老化 (aging), 防止 (prevention), and 剤 (agent).