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New in Method Development/Validation (page 189 of 200)
Nov 01, 2012 | 03:42 PM CDT
By: Isabelle Van Reeth and Xinyan R. Bao, Dow Corn…
Silicone elastomers for personal care have evolved from cross-linked silicone polymers in silicone fluid carriers, to materials with broader organic compatibility in organic solvents. Recently, hydrophilic properties have been added, which are shown here to enable the incorporation of high levels of water, polar solvents and actives while maintaining organic compatibility and unique sensory characteristics.
Nov 01, 2012 | 03:20 PM CDT
By: Luigi Rigano, PhD, Studio Rigano Industrial Co…
Many products currently on the hair care market relate to a woman’s attempt to partially or completely modify her curly, frizzy and tangled hair. Hair straightening and hair relaxing formulations have been invented to achieve the desire for straight hair.
Nov 01, 2012 | 02:56 PM CDT
By: David C. Steinberg, Steinberg & Associates
The Cosmetics Directive 76/768/EEC was recast as Regulation (EC) No 1223/2009 on Nov. 30, 2009, and this recast will totally repeal the original legislation on July 11, 2013. While the recast still contains a Dangerous Substances List, elements of the list have changed. This column distills some 1,355 pages of regulation down to review the cosmetic ingredients listed.
Nov 01, 2012 | 02:47 PM CDT
By: Kathleen A. Martin, PhD, McCrone Associates In…
Particulate contamination and discoloration may occur in products due to foreign materials introduced via raw materials or during the manufacturing process. Agglomeration or reactions between ingredients and packaging components also are possible sources. The identification of contaminants and their origin, described here, is therefore critical so that future incidents can be prevented and safety or regulatory concerns can be addressed.
Nov 01, 2012 | 02:30 PM CDT
By: Kwangsuk Joo, Ongsoo Kim, Heonsik Kim and Jeun…
This study describes methods used in a Korean study to calculate consumer exposure to lipstick and face creams. The average amount applied daily was estimated and compared with data collected by weighing containers before and after use. The data collected was 1.8 to 1.6 times greater than the estimate, so although the survey represented real use patterns, the actual data was more accurate.
Nov 01, 2012 | 02:04 PM CDT
By: M Estanqueiro (MD), G Bossolani, MH Amaral (Ph…
Pumice has a recognized application as an abrasive agent to promote exfoliation of the skin. In this study, different particle size fractions of pumice sampled from several geologic occurrences in São Miguel’s island, the Azores archipelago, were used in the preparation of exfoliation formulations. Gels and soap were prepared and characterized, and their efficacy evaluated.
Nov 01, 2012 | 12:43 PM CDT
By: Michael J. Fevola, PhD, Johnson & Johnson
SorbH and KSorb have become increasingly popular options for cosmetic preservatives due to their worldwide status as Generally Recognized As Safe (GRAS) food ingredients and their long and successful use history.
Nov 01, 2012 | 12:18 PM CDT
By: Katerina Steventon, PhD, FaceWorkshops
The International Society for Stratum Corneum Research held its seventh biannual Stratum Corneum (SC) conference on Sept. 10–12 as a joint meeting with the Skin Forum. The event’s namesake is the top layer of the skin that functions primarily as the skin barrier, and it plays a vital role in many aspects of personal care.
Oct 30, 2012 | 03:38 PM CDT
By: Rachel L. Grabenhofer
Chosen biweekly for their relevance to personal care, Patent Picks are taken from publicly available sources. This edition features patents related to formulating aids and methods of delivery, stabilizing, processing and more.
Oct 30, 2012 | 11:42 AM CDT
Croda combines UV protection with a desirable skin feel in its latest launch.