“…Watercress washed thoroughly in salted water and chewed well is good for your blood and wonderful for your skin. …”

“…1939-10 1939 1930s 27 pages ; illustrations steeped in salt water, soaped and then brought to the boil for a few minutes. …”

“…The skin, under ordinary conditions of external temperature, gets rid of about two pints of water in the form of sweat during the 24 hours — more in hot weather and on occasions of great exertion; and this sweat contains solid matter, salts, fats, waste products and other impurities. …”