The cream of beauty : a little book of beauty culture, containing many recipes for useful toilet creams and lotion / by H. Stanley Redgrove.

  • Redgrove, H. Stanley (Herbert Stanley), 1887-1943.
Date:
1931
Catalogue details

Licence: In copyright

Credit: The cream of beauty : a little book of beauty culture, containing many recipes for useful toilet creams and lotion / by H. Stanley Redgrove. Source: Wellcome Collection.

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    into two layers, one of oil and one of water, it is necessary for some viscous (or “ thickening ”) material to be present, dissolved in the water in the case of an emulsion in which the oil is dis- persed throughout the water, or in the oil in those emulsions in which the water is dispersed throughout the oil. The employment of suit- able substances of this type much facilitates the preparation of emulsions, and they are therefore known as “ emulsifying agents ”. Amongst the more useful mention may be made of soap, lanolin and certain naturally-occurring gums, such as acacia and tragacanth. ZINC OXIDE Zinc oxide is a substance much employed in cosmetics. It is an opaque, white powder, pre- pared by burning the metal, zinc, in air and collecting the fumes, or by heating zinc car- bonate. It is employed cosmetically for two purposes—first, in face powders, etc., because of its whiteness and opacity ; and, secondly, because it is a mild astringent, which, used in moderation, has a soothing action on the skin. Zinc carbonate resembles it in appearance and action, but lacks its opacity. Commercial zinc oxide is often contaminated with arsenic ; only