The 19th-Century American Trade Card [online]. Boston: Historical Collections Department, Baker Library, Harvard Business School, [2001]. Available from: http://www.library.hbs.edu/hc/19th_century_tcard/. The exhibit directs the user to Harvard's Visual Information Access Database, which includes digital reproductions of 1000 trade cards from the collection. The cards in the collection were produced from 1875 to 1899.

Ad* Access [online]. [Durham, NC]: Rare Book, Manuscript, and Special Collections Library, Duke University, c1999.
Images of over 7000 advertisements from U.S. and Canadian newspapers and magazines between 1911 and 1955. "Beauty and hygiene" is one of the five areas of concentration.

Emergence of Advertising in America: 1850-1920 [online]. [Durham, NC]: Digital Scriptorium, Rare Book, Manuscript, and Special Collections Library, Duke University, 2000 [cited 12 March 2001]. Available from: http://scriptorium.lib.duke.edu/eaa/.

Medicine and Madison Avenue [online]. Durham, NC: Digital Scriptorium, Rare Book, Manuscript, and Special Collections Library, Duke University, 2002 [cited 28 September 2002]. Available from: http://scriptorium.lib.duke.edu/mma/.
Images of 600 health-related advertisements that appeared in newspapers and magazines from the 1910s through the 1950s.

Wisconsin Historical Images [online]. Madison: Wisconsin Historical Society, 2002- [cited 14 March 2002. Available from: http://www.wisconsinhistory.org/whi/index.asp.
Try the Advanced Search using Advertising and women retrieves a good selection of photographs, catalogs, and advertising brochures from the 1880s to the 1950s.