Not so sure about the araiko. It basicaly mean washing powder / powder soap. The one linked is a face cleaner product and the original has been produced since 1906, which explains the awfully retro packaging and brand.
May 13thWhile a ship girl, we're all young girlsVery interested in beauty careFunori and Araiko are old. Nowadays we use modern shampoo. By the way, my hair can't be fixed even with hair oil