発毛 はつもう促進 そくしん ざいじゃありませんでした
hatsu mō sokushin zaijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 発毛促進剤

1. Was not a hair growth stimulant.; Was not hair growth promoting.

Past/Perfective
Negative
Polite
Terminal Form