Skin coloring preparations

SELECTION, PREPARATION, AND USES. Cantaloupe should be mature and ripe. There are three major signs of full maturity (1) no stem, with a smooth, symmetrical, shallow basin full slip) at the point of the stem attachment (2) thick, coarse and corky netting or veining, which stands out in bold relief over some part of the surface and (3) yellowish-buff, yellowish-gray, or pale yellow skin color (ground color) between the netting. 

Uses O/w emulsifier for all types of skin care preparations Properties Liq. Gardner color 8 max. vise. 400 mm2/s 40 C HLB 4.7 acid value < 7 iodine value 62-76 Radiamuls 2157 [Oieon NV]... 

Although most pharmaceutical colorants in use today are of synthetic origin, a few are obtained from natural mineral and plant sources. For example, red ferric oxide is mixed in small proportions with zinc oxide powder to prepare calamine, giving the latter its characteristic pink color, which is intended to match the skin tone upon application. 

Mineral Substances.—This class comprises only a few materials, which are used rather as body or coloring matters. Svhnitrctle of bismuth is the. pearl white for the complexion. A less objectionable preparation would be a mixture of native sulphate of baryta and prepared chalk—precipitated carbonate of lime, These latter two, while being as white as the former, are not, like it, discolored by the sulphur fumes in the atmosphere, nor SO particularly injurious to the. skin. ... 

Rouses.—Paints or rouges arc the means by which the natural color of the skin may be heightened or changed. They are however, objectionable preparations, and the use cf them extends very little beyond the theatres, where they are employed to produce stage effect. 

To verify the part played by yeasts in color fixation (48), we prepared a synthetic alcoholic mixture (10% alcohol, 5 grams/liter tartaric acid adjusted to a pH of 3.0 with concentrated sodium hydroxide) and added a solution of macerated Cabernet Sauvignon skins. We studied the... 

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