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Oct 26, 2011 | 11:06 AM CDT
Effects of Occlusive and Semipermeable Membranes on Wound Healing
Skin occlusion is a complex issue. Occlusion usually means the skin is covered directly or indirectly by impermeable films or substances, but certain topical vehicles that contain fats and/or polymer oils may also generate occlusive effects. They speed healing, but can also encourage the formation of bacteria. In the following excerpt, Zhai, MD, and Maibach, MD, review recent studies in various modes and methods of occlusion.
Oct 26, 2011 | 10:06 AM CDT
Researchers Investigate Bacteria Pigment as a UV Filter Without Allergens
Scientists at the University of Gothenburg and Chalmers University of Technology have found a bacterial component that serves as a UV filter without causing contact allergies.
Oct 26, 2011 | 09:05 AM CDT
Patent Picks—Sirtuin Modulation, Resveratrol, Pea Peptides, GGP and More for Skin Care
By: Rachel Grabenhofer
Chosen biweekly for their relevance to personal care, "Patent Picks" are taken from publicly available sources. This edition features patents related to skin care actives.
Oct 18, 2011 | 05:15 PM CDT
Comparatively Speaking: Composition vs. Composition of Matter
By: Anthony J. O'Lenick Jr., Siltech LLC
Here, industry expert Tony O'Lenick explains the difference between a composition and composition of matter, as understanding their differences can aid the formulator when dealing with patent law.
Oct 14, 2011 | 04:14 PM CDT
Collaboration Established for Acne Vaccine Development
Sanofi Pasteur, the vaccines division of Sanofi, has entered into an R&D collaboration with the University of California, San Diego, on an immunological approach to acne prevention and treatment targeting the specific neutralization of Propionibacterium acnes factors in inflammation.
Oct 14, 2011 | 03:15 PM CDT
Researchers Connect FADD Protein to Skin Inflammation
Researchers from the University of Cologne, Ghent University and the German Sport University Cologne have identified the protein that may stop necroptosis in keratinocytes, thereby preventing skin inflammation.
Oct 11, 2011 | 05:01 PM CDT
Patent Picks—Vitamin D3, Organosilicones, Polycarbonate Polyols, Silicone Gel, Arginine and More Related to Skin Feel
By: Katie Anderson (Schaefer), Cosmetics & Toiletr…
Chosen biweekly for their relevance to personal care, Patent Picks are taken from publicly available sources. This edition, chosen by Katie Anderson (Schaefer), associate editor of Cosmetics & Toiletries magazine, features patents related to skin lightening.
Oct 05, 2011 | 02:12 PM CDT
Formula Troubleshooting—Microemulsion Systems
By: Peter Tsolis, The Estee Lauder Companies; and …
Microemulsions have long assisted the pharmaceutical industry in delivering efficacious levels of an active ingredient to the skin by enhancing the active’s bioavailability, versus traditional solutions and dispersions.
Oct 05, 2011 | 01:40 PM CDT
Nanocrystal Liquid Identification
By: Katie Anderson (Schaefer), Cosmetics & Toiletr…
Watermark Ink (W-Ink) utilizes chemical and optical properties of nanostructured materials to distinguish liquids based on surface tension. The nanostructured material is called an inverse opal, which is a layered glass structure with an internal network of ordered, interconnected air pores.
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Oct 05, 2011 | 09:33 AM CDT
Defining Clinically Relevant Fragrance Allergens: The Challenge (Part I)
Contact allergic dermatitis is a common, and some say pervasive public health problem. The degree to which fragrances and fragranced products contribute to this issue is investigated in a two-part overview by Howard Maibach, MD, and Jurij Hostýnek, PhD, from which the following is excerpted.