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35 Results

Type: Article

Section: Testing > Tech/Equipment/Services

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Quantifying Well Aging: A Mathematical Sketch to Predict Age

There is no biological evidence to explain why some individuals look older or younger than they really are. This work sought to quantify the cutaneous characteristics of well aging based on focus group input, word clouds, biometric measurements and more.

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Is Your Microbiology Lab FDA-compliant? Part II: Cultures, Growth Media, Reagents and Testing

This two-part article provides an overview of areas relevant to the U.S. Food and Drug Administration’s (FDA’s) inspection of cosmetic microbiology laboratories. Part 1 covered personnel, facilities and equipment, test materials and procedures, and documentation. Part 2 addresses microbial cultures and growth media, biochemical reagents, test procedures and more.

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Stroke of Genius: Successive Combing Force Yields Realistic Conditioning Results

Combing tests are widely used to characterize the conditioning performance of products at one snapshot in time. A successive combing force device was designed to more realistically simulate the entire shampooing and conditioning process. Here, the authors put it to the test.

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Scale-up Success: Untapping the Potential of Computational Fluid Dynamics

Scaling up cosmetic products to manufacturing facilities is a common cause of formulation difficulties. Computational fluid dynamics offer a means to model and troubleshoot potential problems in advance, and could become a standard tool to reduce production costs.

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Is Your Microbiology Lab FDA-compliant? Part I: Personnel, Facilities and Equipment

This two-part article provides an overview of areas relevant to the U.S. Food and Drug Administration’s (FDA’s) inspection of cosmetic microbiology laboratories. Part II will appear in our July 2018 edition.

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Testing Tactics in Skin: A View of Visible Light Protection

Blue light, in particular, may be responsible for most of the adverse skin reactions caused by visible wavelengths. This column reviews methods to screen for materials that protect against blue light but also allow its benefits to shine through.

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In the Mind's Eye: Color Science to Expand the Multicultural Palette

In recent years, the demand for multicultural cosmetics has grown, putting pressure on formulators to extend the shade range of product offerings. The present article reviews the basics of color science, pigments and formulation concepts to support developers for this segment.

Beyond internal efforts toward sustainability are social implications and many suppliers engaged in such efforts were featured at the Sustainability Corner.

[in-cosmetics Global] Social Responsibility, Empowerment and Measuring Up

Perhaps one of the most novel aspects of sustainability presented at in-cosmetics this year was how to measure it.

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Soft-focus for the Selfie-obsessed: Eye Tracking to Improve Color Formula Development

In cosmetics, soft focus refers to the blurring of light to immediately correct the appearance of wrinkles and skin imperfections. This parameter can be affected by the refractive index of the emollients used, as well as formula volatility and the dispersion of fillers. The use of eye tracking, described here, can help the formulator quickly select the best-performing formulas.

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Skin Barrier Impaired? Two 'TEWLs' to Tell

It has been proposed that topical treatment using linoleic acid can repair defective barrier function in damaged skin. The present article tests this theory and compares the results using two types of TEWL measurements: open and closed chamber.

Scale Up & Manufacturing Services You Can Count On

Working with Dymax Oligomers & Coatings allows you to focus on your core strengths while we focus on ours

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Tools of the Trade for Sensory Testing

One challenge in manufacturing is the variance in quality of raw materials; another is the mixing process. Mechanical tests, described here in brief, will quickly identify cosmetics and lotions that should be rejected or reworked.

Patent Picks—Wearable, Digitized Skin Care and UV Protection

Patent Picks are compiled by the editors from publicly available sources. This edition features inventions related to digitized skin care.

Formulators Can Avoid Quality Disasters

There are a number of things that cosmetic chemists can do to avoid problems in production and ultimately in the marketplace. In the laboratory, almost anything is possible, but production life is very different.

In Vitro UV Testing—Robot vs. Human Spreading for Repeatable, Reproducible Results

Repeatability and reproducibility are crucial to validate any test method. In order to master these criteria, the authors developed an automated spreading device and compared it with human spreading. Application of the device in eight laboratories and using 36 sunscreens revealed great improvements via automated spreading, ensuring good intra- and inter-laboratory variability.

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In Vitro UV Testing—Robot vs. Human Spreading for Repeatable, Reproducible Results

Repeatability and reproducibility are crucial to validate any test method. In order to master these criteria, the authors developed an automated spreading device and compared it with human spreading. Application of the device in eight laboratories and using 36 sunscreens revealed great improvements via automated spreading, ensuring good intra- and inter-laboratory variability.

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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