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Section: Testing

Givaudan has also pledged to contribute to real-world case studies in animal-free safety assessment.

Givaudan Joins Animal-Free Safety Assessment Collaboration

Givaudan has also pledged to contribute to real-world case studies in animal-free safety assessment.

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[video] Cosmetics R&D Vlog: Testing Color Retaining Shampoos and Conditioners

In this Cosmetics R&D Vlog entry, Michele Behrens, of Cosmetics & Toiletries, gained insights from Sabina Wizemann, senior chemist at the Good Housekeeping Institute, about the company's product testing and which products performed the best.

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Safety of Lead-based Skin Lightener Substantiated

While to consumers it may sound counterintuitive, Sirona Biochem has demonstrated the safety of its lead-based skin lightener.

The Safety Factor in Preservative Efficacy Testing

The authors explain how preservative efficacy testing is done to determine whether a formula is adequately preserved. Product contamination problems are frequently caused by inadequate preservation.

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Truth in Exposure: Disparity Dictates Product Safety

How often do you relax your hair? or color it? Clearly, some consumers are exposed to given products more than others based on preferences or practices. A new study points to this fact as a crucial component for regulators to consider when determining ingredient safety.

Rapid Colorimetric Analysis of para-Phenylenediamine in Henna-based, Non-permanent Tattoo Color Mixtures

In some henna mixtures, para-phenylenediamine (PPD) has illegally been added and it is responsible for complications such as allergic contact dermatitis. While high-performance liquid chromatography has previously been used to detect PPD, a colorimetric method that is faster and portable, described here, has been developed. For product developers, this method can be used to evaluate henna plant extracts.

Image Processing and Analysis to Evaluate the Effects of Porous Polyamide Microspheres in Cosmetics

Described here is an image processing system that compensates for changes in illumination and volunteer position, and two algorithms to quantify skin texture and wrinkles. These methods evaluate skin parameters from a single image without contacting skin. Their abilities are demonstrated here in evaluations of the benefits of porous polyamide ultra-fine powders on skin texture and gloss.

Narcissus Tazetta and Schizandra Chinensis to Regulate ‘Youth Gene Clusters’—An In vitro Analysis

A blend of Narcissus tazetta bulb and Schizandra chinensis fruit extracts was developed for anti-aging benefits and tested for efficacy on a human skin equivalent. Results indicate it regulates the functions of youth gene clusters by increasing the activities found in younger skin and reducing the activities found in aging skin specific to structure, hydration, cellular proliferation and pigmentation.

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A Sense of Sensory Analysis: Testing for the Non-test Expert

Sensory analysis is an important tool that can be successfully applied to all products that impact our senses. This article provides an overview of the means with which formulators can become acquainted with the sensory properties of a cosmetic formula. By doing so, developers can ensure products fulfill consumer needs.

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Is it Toxic? EU Mandate, Part 10: Safety

For each cosmetic product placed on the EU market, a safety evaluation must be performed. This includes a review of the toxicological profile of its ingredients, with a particular focus on genotoxicity. This mandate is described here.

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Alternative Safety Test Awarded DFG Animal Welfare Prize

Even before the animal testing ban, the cosmetics industry sought alternative test methods. In relation, the German Research Foundation (DFG) has awarded scientists for a cellular system they developed to replace the animal testing of neurotoxins for medical and cosmetic benefits.

Image Processing and Analysis to Evaluate the Effects of Porous Polyamide Microspheres in Cosmetics

Described here is an image processing system that compensates for changes in illumination and volunteer position, and two algorithms to quantify skin texture and wrinkles. These methods evaluate skin parameters from a single image without contacting skin. Their abilities are demonstrated here in evaluations of the benefits of porous polyamide ultra-fine powders on skin texture and gloss.

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Standardizing Safety: ISO Validation and Sun Protection Tests

In addition, methods under review pertaining to sun protection are discussed. The ISO sets proposed standards and test methods for nearly every industry; its validation process is described here.

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Back to Basics, Part II: Ensuring Product Safety

Safety is a major consideration when developing cosmetic products. This article describes safety guidelines in the U.S. and EU, along with the steps to take during development to ensure that products are safe for human use.

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A Safety, Toxicity and Irritation Testing Primer

To ensure a product’s success, especially in light of ‘clean beauty’ tenets, it must be tested for stability as well as safety and efficacy. The following primer offers an overview of key tests to perform as products are developed and prepared for launch. Click through to the digital magazine for more.

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Concerns Over Charcoal Safety Raised in Crest Toothpaste Lawsuit

A class action lawsuit filed in New York alleges that P&G promoted the safety of its activated charcoal-containing Crest toothpaste despite expert opinions finding a lack of safety and efficacy substantiation.

Most Rosa centifolia-derived ingredients are reported to function as skin conditioning agents in cosmetic products. Other functions associated with ingredients in this group include abrasives, antioxidants, fragrance ingredients and skin protectants.

CIR Assesses Safety of Rosa Centifolia Derivatives in Cosmetics

The CIR reviewed the safety of Rosa centifolia-derived ingredients, most of which are reported to function as skin conditioning agents in cosmetic products; read on for the findings.

China's National Institutes for Food and Drug Control (NIFDC) plans to introduce a more systematic and comprehensive standard consistent with the current industry situation.

China Drafts 2022 Safety and Technical Standard for Cosmetics

This draft will supersede the 2015 edition, which includes the overarching technical standards for cosmetics safety supervision and testing in China. Public comments will be accepted through April 30, 2022.

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