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A Tale of Tattoos: Black Henna (part III)

Temporary tattoos are all the rage—from rub-on kid party give-aways, to serious airbrush art and at-home kits "made to last." However, one type of temporary tattoo making infamous headlines is "black henna," especially in the eyes of the British Skin Foundation.

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Quality Culture Part III: Bulk Production

This third installment in our four-part series provides real-life scenarios of microbial contamination that occurred during cosmetic product manufacturing—and the countermeasures taken.

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Making Cosmetics Stick: Simplifying Skin Substantivity, Part III*

Higher substantivity can aid formulation efficacy by helping ingredients to better penetrate skin. This final column in a series dives into substantivity's role and uses when designing sun care, skin care and cosmetics.

Applied Neuroscience to Understand Cosmetic Consumers: Product Development (part III)

By measuring the non-conscious consumer response to products, concepts and before/after results, it is possible to make decisions for product development and marketing, as well as develop product claims. These possibilities are discussed in this three-part series, as are two case studies.

EU Regulation No. 1223/2009, Part III: The Responsible Person

This column is the last in a three- part series on the European Union’s (EU) Regulation No. 1223/2009,1 which was published on Dec. 22, 2009.

Collagens I and III, and Elastin Activation for Anti-aging

As an alternative to semi-invasive facial rejuvenation techniques, the authors developed an active ingredient to reactivate senescent fibroblasts by stimulating metabolic pathways for collagens I and III, and elastin. The biological activity of the resulting ingredient is investigated here using in vitro models, ex vivo explants and human volunteers.

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Hand Hygiene and Disease Prevention, Part III

The authors invite you to submit to this "living article" to help us keep on top of new developments. This article is the final part in our series on hand hygiene. It considers regulatory, legal and social aspects.

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Palm Oil Report, Part III from BASF

For the first time, the report mentions BASF’s product carbon footprint (PCF) for sourcing certified sustainable palm kernel oil.

Claims Support Literature Review-Part III, Hair Care

This article is the third in series focusing on claim support. Part 3, published here, focuses on cationic polymers, polyquaternium hair conditioning, alkaline hair relaxers, protein kinase C, cationic surfactants, penetration pathways, hair swelling and

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Dermal-epidermal Separation, Part III: Heat and Mechanical Methods

Readers previously expressed interest in understanding the most efficient and reliable methods to separate the epidermis and dermis for basic skin investigation. This third and final part in this dermatological series focuses on heat and mechanical techniques.

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How Damaged is Hair? Part III: Better Defining the Problem

By identifying elements at the heart of technical issues in hair, product developers will uncover options to consider for improving its health and appearance. Completing our three-part series, this final piece on hair damage provides insight on new ideas and strategies for problematic hair.

Trends--The Blossoming of Naturals Part III: Raw Materials

This column is the third in a quarterly in-depth report on naturals in personal care. Part IV, appearing in the December issue of Cosmetics & Toiletries magazine, will focus on the importance of wellness to the spa industry.

Effects of Occlusion (III): Irritant and Allergic Contact Dermatitis

This is the third article in a series discussing effects of occlusion on skin. Previously, we reviewed the effects of occlusion on the percutaneous absorption (C&T November 2003) and on wound healing (C&T April 2004). The present article focuses and summarizes the adverse effects of occlusion. Occlusion enhances skin hydration and increases percutaneous absorption of applied substances with exception. On the other hand, it may also increase the penetration of irritants and/or antigens entering into skin and hence may increase irritant and allergic contact dermatitis. Additionally, occlusion compromises skin barrier function by impairing passive transepidermal water loss at the application site, and hence aggravates the irritant effect of applied compounds.

Is Cosmetics Science Really "Bad"? Part III: Evidence to Support Claims in the Real World

This is the third column of a series that applies Michael Shermer's "Baloney Detection Kit" to cosmetic science. This column tackles the fourth, fifth and sixth of ten core questions included in the "kit": those relating to claims substantiation.

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Clariant Debuts BeautyFoward—Edition III at in-cosmetics Global

BeautyForward—Edition III is a personal care industry guide, featuring four trend discoveries and skin and hair care formulations inspired by them.

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Back to Basics, Part III: Testing for Preservation and Stability

Product quality and consumer health are on the line when it comes to a product's microbiology and stability status. This article describes testing guidelines in both the U.S. and EU to assist the formulator with methodology and production.

Photostability Test for Additional Sunscreen Claims, Part III: New Claim

Proposed here is an in vitro method, based on UV transmission measurements at two irradiation doses, to test and rank sunscreens based on their photostabilities. This approach was used to assess some 107 sunscreens and shows how, by strictly controlling key parameters, comparisons between the photostabilities of products can be made, with potential for new label claims.

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Problems with Skin Protectants Part III, New System Sets the Rules

To develop successful skin protectants, this article suggests a new HLB system for balancing oil- and water-repellence without sacrificing one for the other. This final article in a three-part series proposes chemically modified perfluoropolyethers (PFPEs), whose structures impart different levels of both oil- and water-repellence, providing a true shielding mechanism.

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