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New in Function (page 144 of 170)
Apr 24, 2006 | 11:28 AM CDT
By: Daniel Schmid and Fred Zülli, Mibelle AG Cosme…
This human study shows that the isoflavone aglycone genistein penetrates significantly better into the skin when it is formulated in a liposomal preparation. The corresponding isoflavone glycoside genistin is not hydrolyzed to the biologically active aglycones upon topical application.
Apr 24, 2006 | 11:23 AM CDT
By: Yun Shao, PhD, David Schlossman and Eric Smith…
Several types of PEG/PPG dimethicones and acrylate silicone copolymers were selected, and significant differences in their ability to disperse and stabilize pigments were studied. As the particle size got smaller, the color became deeper and stronger.
Apr 24, 2006 | 11:18 AM CDT
By: Qinyun Peng and Mark Tellefsen, EMD Chemicals …
Bismuth oxychloride –either high-luster dispersions or powder pigments – offers highluster pearlescence for lip, nail and hair products, and excellent skin feel and skin adhesion for other color cosmetic and personal care products.
Apr 21, 2006 | 10:38 AM CDT
AarhusKarlshamn (AAK) presented two novel surfactants to formulate a range of shea butter-based shampoos and conditioners...
Apr 21, 2006 | 10:22 AM CDT
By: Arndt Schlosser and Bryan Fry, Wacker Silicone…
Silicone resins trimethylsiloxysilicate and Polymethylsilsesquioxane provide transfer resistance to cosmetic formulations. Phenylcontaining silicone resins additionally provide a high refractive index and gloss. A gelbased silicone resincontaining powder adds improved skin feel and oil absorption.
Apr 21, 2006 | 10:18 AM CDT
By: Peter A. Williams and Martina Hickey, Centre f…
Varying the concentration of two polymers – xanthan gum and konjac mannan – mixed in solution and subjected to shear while cooling yields fluid gels whose viscosity can vary from a pourable solution to a spreadable gel.
Apr 21, 2006 | 10:15 AM CDT
By: Anthony C. Dweck, Consultant, Dweck Data
Traditional methods of preservation, such as those used in the food industry and some available from natural plants, suggest a natural preservative system whose components are already available to the formulator.
Apr 21, 2006 | 10:02 AM CDT
By: Mark E. Rerek, International Speciality Produc…
Disodium lauriminodipropionate tocopheryl phosphates, the two main complexes in a new derivative of vitamin E, provide enhanced stability and greater efficacy as an anti-inflammatory, as demonstrated in results reported here.
Apr 21, 2006 | 09:53 AM CDT
By: Jean-François Nicolaÿ and Isabelle Imbert, Exs…
A synthetic agent with neurotrophic and antioxidant properties has been designed to protect the skin’s sensory neurons from environmental stress and neurodegenerescence, preserving certain physiological responses controlled by the central nervous system.
Apr 21, 2006 | 09:48 AM CDT
By: Larry Rheins and Loren Pickart, PhD
Reversing the effects of aging on human skin was a primary goal of ancient alchemists and their successors, the modern cosmetic chemists. During human aging, skin becomes thinner and accumulates various blemishes, lesions and imperfections.