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New in Function (page 3 of 53)
Jul 01, 2013 | 04:23 PM CDT
By: John F. Krowka, PhD, Personal Care Products Co…
Preservatives are critical ingredients in personal care products and cosmetics, where they help to ensure consumer safety as well as product performance and stability. Among these materials, formaldehyde-donor (FD) preservatives have demonstrated a long history of safe and effective use for controlling microbial growth.
Jul 01, 2013 | 04:04 PM CDT
By: Steven Isaacman, PhD, Nanometics LLC; and Mich…
Smart polymers can be engineered to contain reactive molecules, commonly dubbed “molecular switches,” that respond to external stimuli and cause systemic changes to the polymer structure. The specificity of a molecular switch to a single stimulus is critical for controlled release, although multi-triggered systems capable of responding to systematic stimuli are being developed for advanced applications. Herein the authors describe several stimuli-responsive materials that have potential applications for personal care and related biomedical fields.
May 31, 2013 | 11:41 AM CDT
By: Giorgio Dell'Acqua, PhD
However, the growing market demand for natural alternatives to synthetic is pushing brands to continue to consider the use of natural oils in their formulations.
May 31, 2013 | 11:38 AM CDT
By: Madelyn Bekker, PhD; Nicolaas Rossouw Louw; an…
Differing amounts of Fischer-Tropsch (FT) wax were used in petroleum jelly and final cosmetic emulsions to evaluate moisturizing effects in skin. FT wax was shown to perform as well or better than traditional mineral-derived products.
May 31, 2013 | 11:34 AM CDT
By: Chris McLeod, HPCI Media
Although this author cannot deny that moisturization capabilities can provide relief for those who suffer from flaky, itching or irritated and dry skin, it would be careless not to acknowledge the marketing-based beguilement within this moisturization sector.
May 06, 2013 | 01:17 PM CDT
By: Anthony J. Ribaudo, Textile Research Institute…
Here, the author compares two methods to determine the maturity of corneocytes based on their cross-linking that could be used to evaluate the anti-aging effects of molecular agents. The first utilizes microfluorometry, while the second involves F-D curves generated via contact mode AFM. Both methods successfully detected differences in mature or immature corneocytes with 95% confidence.
May 06, 2013 | 12:15 PM CDT
By: Paul Thau PacarTech, Berkeley Heights, NJ
Since the early 1980s, nonaqueous emulsions have attracted technical interest as potential vehicles and delivery systems for personal care products. This is due to the development of a broad range of silicone-based emulsifiers, silicone polymers and other polymeric emulsifiers that have enabled their use. This article will briefly review their history and evolution into current-day specialized applications.
May 06, 2013 | 12:11 PM CDT
By: S. Wiechers, PhD; P. Biehl; C. Luven; M. Maier…
The article compares the performance of titanium dioxide as a UV filter in cosmetic formulations as a function of its primary particle size. It was found that with increasing primary particle size, even below 100 nm, the effectiveness of the inorganic (mineral) UV filter was clearly reduced.
May 06, 2013 | 12:04 PM CDT
By: Art Georgalas, Georgalas Endeavors
To provide consumers an anti-aging benefit, finished products and ingredients must ameliorate both firmness and lines and wrinkles. The loss of firmness, attributed primarily to the loss of underlying dermal support, is both a sign of skin aging and a cause of most lines and wrinkles. Thus, improving this underlying matrix to enhance skin’s appearance should be a key feature of anti-aging product performance.
May 02, 2013 | 01:37 PM CDT
By: Dennis Lott , Florida Suncare Testing Inc.
In September 2012, 101 sun care product users were surveyed on the beach regarding what SPF and product form(s) they were using, among other questions. While 12.2% used SPFs of 15–29, a 58% majority used SPFs of 30–50. Lotions were the favored form, followed by sprays. This article reports the detailed findings from this survey.