発毛 はつもう促進 そくしん ざいじゃなかったです
hatsu mō sokushin zaijanakattadesu

Noun
Desu Copula

The polite, past negative form of 発毛促進剤

1. Wasn't a hair growth promoter.; Wasn't hair growth promoting.

Past/Perfective
Negative
Polite
Casual Register