Columbia subject headings:
Beauty, Personal--Japan--20th century.
Beauty, Personal--Korea--20th century.
Health products--Japan--20th century.
Health products--Korea--20th century.
Hygiene--Japan--20th century.
Hygiene--Korea--20th century.
Harvard subject headings:
Princeton subject headings:
Dietary supplements.
Drugs, Nonprescription--Japan--20th century.
Drugs, Nonprescription--Korea--20th century.
Hygiene--Japan--20th century.
Hygiene--Korea--20th century.
Japan--Relations--Korea.
Korea--Relations--Japan.