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Method Development/Validation

New in Method Development/Validation (page 14 of 200)

Jan 24, 2014 | 03:37 PM CST

State of São Paulo in Brazil Bans Cosmetic Testing on Animals

By: Jeff Falk

This ban in the Brazilian state follows a ban from India, Israel and the European Union, as well as debate and potential regulation changes in countries like China.

Jan 24, 2014 | 11:52 AM CST

‘Anti-imperfection’ Claims

By: Chris McLeod, HPCI Media

Four tests can be undertaken to substantiate the claims covered in this article. Colorimetry analyzes pre- and post-product application skin tone. A Cutometer or dermal torque meter measures the rate of skin extension pre- and post-product treatment, and stratum corneum turnover tests and acute profilometry studies show the rate at which skin is renewed or changes in the evenness of skin occur.

Jan 24, 2014 | 11:46 AM CST

Literature Review: Color Perception, Pigmentation and Optics

By: Rachel L. Grabenhofer, Cosmetics & Toiletries…

This survey of recent literature relates to color, optics and pigmentary mechanisms. The papers are presented as food for thought in the early stages of the product development process. Proposed applications are purely hypothetical but may warrant deeper investigation.

Jan 24, 2014 | 11:27 AM CST

Growth, Senescence, Canities, Bleaching and Anti-aging in Hair

By: Robert J. Dorin, DO, American Board of Hair Re…

The continued use of hair bleaches and dyes to combat the onset of gray hair creates a greater demand for hair products that deliver the desired effect while facilitating repair. Molecular biology promises new strategies in combating the aging process of hair cells, with the paradigm shift toward understanding the living component of the hair follicle.

Jan 24, 2014 | 11:00 AM CST

Expression of Color in the EU

By: Chris Flower, PhD; and Emma Meredith, PhD, Cos…

The chemical industry has developed modern colors in virtually any hue that are both fast and safe. In the cosmetics industry, these pigments can be used to color skin and hair, although they are still covered by strict safety legislation. This column will discuss color formulating challenges and regulatory actions in the EU to govern pigments for skin and dyes for hair.

Jan 24, 2014 | 10:08 AM CST

Color Cosmetics: Trending Toward Multifunctionality

By: Oru Mohiuddin, Euromonitor International

With global growth of 6% in 2012, color cosmetics proved resilient to recessionary pressures thanks to an array of launches. The contribution of emerging markets to the growth of color cosmetics was 75%, half of which came from Brazil and China. Moving forward, Africa and the Middle East are projected to have the strongest compound annual growth rate (CAGR)—6% from 2012 to 2017, in terms of color cosmetics.

Jan 24, 2014 | 09:12 AM CST

Formulating with Natural Colors

By: Arthur Georgalas, Georgalas Endeavors

The chromophores that generate appealing colors in nature can also function as natural colorants in cosmetics. Here, some specific natural colors are reviewed. In order to apply them, however, formulators must be aware of the commercially available materials and know which are allowed under local regulations; such restrictions also are described.

Jan 23, 2014 | 04:47 PM CST

Protecting, Treating and Concealing Post-inflammatory Hyperpigmentation

By: Katerina Steventon, PhD, FaceWorkshops

Research has shown that perceived attractiveness stems from visible skin color distribution,1 so achieving an even skin tone is important to many consumers. Hyperpigmentation or uneven pigmentation is, in the mind of the consumer, usually connected with inadequate sun protection and often enhanced by smoking, although it can result from other causes.

Jan 23, 2014 | 11:49 AM CST

Cheek to Cheek: Deciphering Stains and Blushes

By: Luigi Rigano, PhD, Studio Rigano Industrial Co…

Cheek stains and blushes are intended for a lightly shaded color that is well-blended. Such formulations must provide a transparent hue as well as exhibit wear-resistance. Here, these requirements are described, as are formula approaches and commercial examples. In relation, recent research has mostly aimed at increasing the permanence of pigments on skin; such new ingredients are discussed.

Jan 22, 2014 | 04:13 PM CST

Unexpected Answers from Pudding to Powders with Barbara J. Morley

Melissa Tolla (left), PhD, of VVF LLC, presents Barbara J. Morley the 2013 Stanley Allured Lifetime Service Award.
By: Rachel L. Grabenhofer, Cosmetics & Toiletries…

Barbara J. Morley received the Stanley Allured Award for Lifetime Service from the Midwest SCC in November 2013. An emeritus member since 2007, she has held offices including chair, chair-elect, secretary (three terms) and treasurer (two terms), and has served on the newsletter, hospitality, social night, program and Teamworks committees, sometimes as chair. In 2008, she received the Midwest chapter Merit Award. Here, she describes her cosmetic career.