Patent Picks—Gels for Anti-acne and Wrinkle-blurring, Oridonin for Slimming and More
By: Rachel L. Grabenhofer
Posted: October 27, 2010
Chosen biweekly by Rachel Grabenhofer, Cosmetics & Toiletries magazine editor, for their relevance to personal care, Patent Picks are taken from publicly available sources. This edition features recently issued patents relevant to anti-acne and other skin care compositions.
Mild, structured, multi-phase personal cleansing compositions comprising density modifiers
US Patent 7820609
Publication date: Oct. 26, 2010
Assignee: The Procter & Gamble Company (Cincinnati, OH, USA)
This patent discloses a mild, multi-phase cleansing composition that includes a cleansing phase including a structured surfactant component that has a first density, a benefit phase including an emulsion that has a second density and a density modifier; wherein the first density differs from the second density by less than 0.15 g/cm3. The structured surfactant component includes at least one surfactant and provides a total lather volume of at least 600 mL. The emulsion is either an oil in water or an oil in water emulsion.
Non-limiting examples of these optional ingredients include vitamins and derivatives thereof, e.g., ascorbic acid, vitamin E, tocopheryl acetate; sunscreens; thickening agents; preservatives for maintaining the antimicrobial integrity of the cleansing compositions; anti-acne medicaments; antioxidants; skin soothing and healing agents, i.e. aloe vera extract and/or allantoin, etc., and the like.
Gel composition for once-daily treatment of common acne comprising a combination of benzoyl peroxide and adapalene and/or adapalene salt
US Patent 7820186
Publication date: Oct. 26, 2010
Assignee: Galderma Research and Development