老化 ろうか防止 ぼうし ざいじゃありませんでした
rōkabōshizaijārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 老化防止剤

1. Was not an anti-aging product.; Was not a preventative for aging.

Past/Perfective
Negative
Polite
Terminal Form