Ciba Specialty Chemicals Corporation

Gerd Heinemann

Peter Fankhauser

Werner Baschong

Victor Paul Eliu

Dietmar Ochs

Dietmar H&uuml;glin

William Robert McGilvray

The use is described of compositions comprising (a) (&#x2212;)-guaiol, (b) further skin-lightening active substance(s) and, optionally, (c) one or more UV-A and/or UV-B absorbers as melanogenesis inhibitors and for skin-lightening.

Use of guaiol for treating the skin

A process for obtaining oils of sesquiterpenes and sesquilactones and (&#x2212;)-guaiol from the oil of, processes for encapsulation of the oil from, and the various uses of the oil and the encapsulated oil are described. The oils are suitable for various purposes in the personal care field, e.g. for the antimicrobial treatment of skin, mucosa and hair and of textile fiber materials, as an antimycotic against skin fungi and moulds, as an anti-inflammatory, as an acaricide against house dust mites and ticks, and for preserving cosmetic products.

Processes for obtaining (-)-guaiol and the use thereof

A description is given of the use of polyanionic and polyanionically-derivatised natural polysaccharides or non-derivatised natural polysaccharides for inhibiting alkaline phosphatase and of oral compositions for preventing bacterial plaque, which comprises (a) 0 to 10% by weight of at least one linear molecularly dehydrated polyphosphate salt, and (b) 0.0001 to 5% by weight of a polyanionic or polyanionically-derivatised natural polysaccharide.

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Schliengen, Germany

Gerd Heinemann