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Delivery with Chitosan-coated Liposomes and Other Topics: Literature Findings

By: Charles Fox, Independent Consultant
Posted: February 26, 2009, from the March 2009 issue of Cosmetics & Toiletries.

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Laudanosine for antiaging: Sederma discloses antiaging cosmetics containing laudanosine.3 The cosmetic use of laudanosine, one of its analogs, or a vegetable extract containing laudanosine is described for improving the general state of skin. An example of an antiaging cosmetic is shown in Formula 2.

Three-part cosmetic kit for skin: Beiersdorf AG discloses a cosmetic combination product for improving the external appearance of skin.4 The invention concerns a cosmetic kit that contains at least two components from: one or more dietary supplements, one or more topically applicable cosmetic preparations, and one or more self-adhesive skin masks. A typical self-adhesive gel mask is shown in Formula 3.

Hair and Hair Care
Long-lasting hair gel: Beiersdorf AG discloses a long-lasting hair styling gel.5 The described cosmetic preparation contains at least one: anionic, film-forming polymer; hydrophobically modified acrylate thickener; and one block polymer that in turn comprises at least one: polyethylene glycol block, polypropylene glycol block, and an optional silicone copolyol. An example is shown in Formula 4.

Color Cosmetics
Nonsticky, oily lip cosmetic: Mandom Corp. launched oily solid cosmetics containing dimer acid esters, waxes (solid at RT) and C5-10 1,2-alkanediols that impart a nonsticky, moist feel to lips.6 The lip cosmetics additionally contain optional N-acylglutamic acid diesters. An example of an oily, non-sticky lipstick is shown in Formula 5. The product reportedly showed good spreadability on skin and gloss, provided a moist and nonsticky feel, and was stable in appearance after storage for four weeks at 40°C.

Light-stimulated pigments: Henkel AG & Co. introduced coloring agents containing luminescent pigments that are stimulated by visible light.7 The resulting colors are said to give a gloss effect. The coloring agents are described for use in textile dyes and color cosmetics for materials containing keratin, such as skin, hair and fingernails.