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Section: Testing > Method/Process

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One Ingredient, Twice the Benefits for Pores and Age Spots

DSM has created a solution to benefit two skin problems at once. The company’s latest skin care ingredient helps eliminate facial pores and age spots simultaneously. Additionally, helps the skin look younger and improves appearance after the age of 30.

Water Content, Nanoparticles and Skin Penetration in Brazil: Lindo Maravilhoso!

Water content, surfactants, thickeners, actives, nanoparticles and skin penetration were among the hot topics presented at the biennial XXI COLAMIQC congress of the Latin American and Iberian cosmetic chemists. Held May 14-16, 2013, in São Paulo, technical sessions were paired alongside the FCE Cosmetique exhibition and trade show for both the cosmetics and pharmaceuticals industries.

Testing Tactics: REACH and In vitro Alternatives: Skin Irritation Testing

Welcome back to a continuing discussion regarding the new Registration, Evaluation and Authorization of Chemicals (REACH) regulation and its impact on chemical testing. It is the purpose of this series of articles to provide an overview of these existing validated in vitro methods, as well as new methods that are being considered for validation.

Hair Color Vibrance Factor to Characterize Shine and Color Intensity*

To evaluate the comprehensive effects of shine and color intensity in hair, a hair color vibrance factor has been developed to enable new claims for hair dye formulas and after-dye treatments. Experimental results described here show how varying the ingredients in shine spray and hair dye formulas affect this factor and correlate with subjective panelist assessments.

Testing Tactics: REACH and In vitro Alternatives: Skin Irritation Testing

Welcome back to a continuing discussion regarding the new Registration, Evaluation and Authorization of Chemicals (REACH) regulation and its impact on chemical testing. It is the purpose of this series of articles to provide an overview of these existing validated in vitro methods, as well as new methods that are being considered for validation.

Detecting Estrogenic Endocrine Disruptors in Personal Care Products and Supplements

Endocrine disruptor chemicals (EDCs) are a class of chemicals that has raised alarm for being linked to a wide variety of detrimental effects on human and wildlife populations, e.g., cancers, precocious puberty and obesity. Thus, there is a need to test personal care products and supplements for EDCs, which can be accomplished using the validated bioassay described here.

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[podcast] CAS9 and CRISPR Technology: Implications for Cosmetics?

"CRISPR, in my mind, is like a molecular GPS. . .People just type in some short array sequence, essentially an address, to find the target. Upon binding to the target, a pair of molecular scissors cuts the DNA and performs a repair to modify the DNA sequence."

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Blue Diamond Launches Pure Oil for Health and Beauty

To provide beauty consumers with a pure oil blend, Blue Diamond Almonds has introduced 100% pure sweet almond oil, pressed from ripe, shell-free almonds grown in the orchards of California.

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In Vitro and In Vivo Offered for Sunscreen Testing

Laboratoire Dermscan and HelioScreen Labs are combining their skills to offer a complete new in vitro / in vivo service in the field of sunscreen testing.

The VS450 is X-Rite's response to customers in the cosmetics industry that are looking for lab-to-production solutions.

Tools to Predict, Assess and Standardize Successful Color Cosmetics

Cosmetic companies have borrowed quality control methods from other industries that have product attributes such as color, gloss and texture down to a science. Specialized in such areas, X-Rite has developed tools to enable cosmetic companies to predict future color trends as well as set standards by which future cosmetics will be benchmarked.

In vitro/vivo SPF Correlation and Repeatability According to Substrate

This work evaluates the impact of three different substrates on in vitro SPF measurements, and defines experimental conditions to improve their correlation with in vivo values. Evaluations of 32 products, shown here, led the authors to conclude that molded substrates improved repeatability and correlation with in vivo SPF values.

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Testing Tactics: Approaches to Measure Scalp Comfort and Care

This article describes examples of test methods beyond standard skin hydration, sebum and TEWL measurements being used help create scalp care products that address conditions such as inflammation, redness, dandruff, seborrheic dermatitis and more.

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Yield Stress Measurements for Personal Care, Part I: Definitions and Basics

The aim of this article series is to properly define and differentiate yield stress from high viscosity, as well as develop a method for assessing whether a sample has a yield stress. In addition, it will illustrate how to determine the amount of yield needed for a given application.

Consumer Perception of Fine Lines and Wrinkles Assessed by Qualitative Methods

There are varying definitions, associations and overall impressions of fine lines and wrinkles among different consumer segments. The findings of this study offer invaluable insight into consumers’ opinions, and by qualitative in-depth interviews, they provide a well-defined vernacular for aging descriptors. This language is critical for developmental research, consumer evaluation and marketing within the cosmetic industry.

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12 Top Trends and Buzzwords in Beauty at In-Cosmetics 2025

Here's a quick rundown of the top trends in beauty ingredients and concepts we saw at In-Cosmetics Global 2025; and this is just a sampling.

Patent Picks—Imaging Skin, Simulating Eyelashes, Assaying Immune Response and More

This edition of "Patent Picks" features recently issued patents relevant to advances in testing for cosmetics R&D.

Photostability Test for Additional Sunscreen Claims, Part II: Calculations and Results

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.

Patent Picks—Diffusion Profiling, Optical Tweezer, Fluorescent Microbe Detection and More

Patent Picks are taken from publicly available sources and cover recent patents issued, or applied for, in the cosmetic and personal care industries and relevant peripheral markets. This edition features methods and processes for analyzing and producing cosmetic products and materials.

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