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New in Function (page 4 of 51)
Sep 27, 2012 | 03:28 PM CDT
Cationic Guar Gum
By: Mark S. Freeland, Iris Holder and Jeanette Tuc…
Guar is a natural water soluble polymer principally grown in the Asian subcontinent, specifically India and Pakistan. Also, guar gum is a crop studied in agronomy programs in the United States and many other parts of the world.
Sep 04, 2012 | 11:36 AM CDT
From Elastin to Elastic Fibers, Part II: The Clinical Effects of a Natural Dipeptide on the Biological Cascade
By: Philippe Mondon, Sebastian Fache and Emmanuel …
The peptide N-Acetyl-Tyr-Arg-Hexadecylester (NATAH), found in Part I to stimulate the production of elastic fibers in vitro, was next tested in vivo for its capacity to improve skin elasticity parameters, using various biophysical and imaging techniques. Significant differences in facial ptosis and extensibility were observed in the 56-day, vehicle-controlled clinical study described here.
Sep 04, 2012 | 11:31 AM CDT
Saccharide Isomerate to Deeply Hydrate Skin and Scalp
By: Jochen Klock, PhD, and Volker Rosenberger, PhD…
Saccharide isomerate, designed to closely resemble a carbohydrate complex found in human stratum corneum, is shown here to provide up to 72 hr of deep hydration to skin and, for the first time, rinse-off soothing to the scalp. Its unique binding mechanism to skin and scalp create new opportunities for leave-on and rinse-off products.
Sep 04, 2012 | 11:25 AM CDT
Formula Anatomy Deciphered—Sensory in Cosmetics
By: Luigi Rigano, PhD, Studio Rigano Industrial Co…
The sensory world is fueled by research conducted in different disciplines such as biology, neurobiology and sense chemistry. It extends to many industrial sectors where perception elements are crucial, including cosmetics.
Sep 04, 2012 | 11:20 AM CDT
Formulating with Naturals—Sun Care
By: Art Georgalas, Georgalas Endeavors
The industry continues to seek protection from the sun without chemical reactions on the skin, in the body or in the environment.
Sep 04, 2012 | 11:14 AM CDT
Specialty Pigments: Properties and Effects
By: Edwin B. Faulkner, Sun Chemical Corp.
Specialty pigments bring unique effects to personal care products, thus they are an important class of color additives for the decorative cosmetic industry. Presented here is a review of their properties and benefits, including mechanisms of refraction and reflection, as well as regulatory considerations.
Sep 04, 2012 | 11:02 AM CDT
Ingredient Profile—Mica
By: Michael J. Fevola, PhD, Johnson & Johnson
Mica is an inorganic material found in a wide variety of cosmetic and personal care products. Its use has been reported in more than 7,100 products, making it one of the most important mineral ingredients used in cosmetics.
Aug 15, 2012 | 01:13 PM CDT
Polyacrylate-33 for Thickening and Suspending in Low Surfactant Cleansers
By: Monique Adamy, Anne-France Leron, Charles Phan…
Described herein is a hydrophobically-modified acrylic copolymer, polyacrylate-33, which is designed for low-to-medium surfactant-containing cleansers. The ingredient is shown to display high thickening efficiency and good suspension properties and shear-thinning rheology in sulfate-based and sulfate-free chassis. Further, it enables transparent formulations in the presence of salt with improved foaming and sensorial properties.
Aug 15, 2012 | 01:07 PM CDT
PIT Versus PIF for the Rational Formulation of Emulsions
By: Steven Abbott, PhD, Steven Abbott TCNF Ltd. an…
This article deliberately pushes the boundaries for cosmetics scientists, showing how the much-used phase inversion temperature (PIT) technique is a limiting special case of a more versatile, rational approach to surfactant optimization: HLD-NAC. This simple way of understanding the basic interactions within emulsion formulations can be generalized to create totally new ways of formulating stable emulsions.
Aug 15, 2012 | 12:36 PM CDT
Ingredient Profile: Decyl Glucoside
By: Mike Fevola, Johnson & Johnson
Alkyl polyglucoside (APG) surfactants continue to be a popular choice of formulators seeking to improve the sustainability of cleansing products for personal care, hard surface cleaning, dishwashing, laundry, and industrial/institutional applications.