Keep your hands soft and white with Zam-Buk : "rub it in" every night.
- Zam-Buk Company.
- Date:
- [between 1930 and 1939?]
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Keep your hands soft and white with Zam-Buk : "rub it in" every night. Source: Wellcome Collection.
