Cosmetics benzoin

A food extract, such as a lemon extract, is really not a chemical extraction but consists of the essential oils that are mechanically pressed out of lemon skin and then kept in a 45% solution of alcohol. A drug extract is called a tincture. Tinctures are usually alcohol solutions and are liquid-solid extractions. Examples are the tincture of iodine, oil of wintergreen, oil of clove, and oil of peppermint. Cosmetic extracts such as ambergris, musk, castor, and benzoin, are called essences and are used to make perfumes. 

Benzoin tincture contains 10% benzoin in alcohol, while the compound formulation also contains 2% aloes, 8% storax, and 4% tolu balsam in alcohol. Occasionally, allergic contact dermatitis occurs to these preparations or derivatives in Ar-ning s tincture (besides benzoin, tumenol ammonium, anthrarobin, and ether), adhesives, water repellent barrier creasms, lozenges, and cosmetics (Spott and Shelley 1970). Cross-reactions occur to balsam of Peru, storax, eugenol, vanilla, a-pinene, benzyl alcohol, and benzyl cinnamate (Hjorth 1961). 

D8iC. Colors, dyes, and pigments considered safe in drugs and cosmetics when applied locally to mucous membranes or when given orally, deaerator. A substance such as benzoin, which prevents the entrapment of bubbles of air or vapor beneath the surface of the film. 

Benzoin, especially Siam benzoin, has anti-oxidative and preservative properties and is used in cosmetics for these properties. The resinoid is extensively used as a fixative in perfumes, soaps, detergents, creams, and lotions, in amounts up to 0.8% in perfumes (arctander). ... 

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