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Section: Research > Methods/Tools

Refractive Index Matching: Principles and Cosmetic Applications

Clear emulsion formulas can be achieved by matching refractive indexes (RI) of water phase and oil phase. The match is achieved by varying the ratio of water and glycols, as show in several skin and hair care formulas.

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Comparatively Speaking: Silicon Dioxide, Silicon and Silicone

This column is intended to provide an understanding of the relationships between these raw materials and the silicones found in personal care.

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Measuring and Pre-selecting Functional Filler Pigments

Functional filler pigments play an important role in adjusting optical properties such as transparency and soft focus effects in cosmetics. However, their suitability for specific formulas is not apparent until time-consuming tests using many different fillers have been conducted. A new method to predetermine the soft focus effects of functional filler pigments is described here.

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Three Beauty Experts to Headline Cosmetic Innovators of the Year Awards

Harlan Kirschner, founder of The Kirschener Group, and Manic Panic’s Bellomo sisters, will speak during the annual event honoring innovation and creativity in beauty product manufacturing and distribution.

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Biotechnology in Beauty: The Future of Formulation – A Cosmetic Chemist’s Perspective

Cosmetics & Toiletries is delighted to welcome the latest addition to its regularly featured content lineup: Biotechnology in Beauty, by Krupa Koestline, chief formulator and owner of KKT Innovation Labs, and the 2024 recipient of the Florence Wall Women in Cosmetic Chemistry Award.

Coated Inorganic Filters For Elegant And Protective Sunscreens

Coated Inorganic Filters for Elegant and Protective Sunscreens

Inorganic UV filters must be distributed evenly to ensure sun protection. Further, they can present challenges of a pasty consistency and undesirable opacity when applied to skin. This paper therefore describes strategies using micronized titanium dioxide with different coatings to optimize its dispersion and protective benefits while improving processing and aesthetics.

Devices Have Consumer Interest and Room to Grow

Women who use skin care devices have a high level of satisfaction. However, the penetration rates of these high-tech gadgets are low across most regions due to lack of awareness, indicating a significant opportunity.

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Smithsonian Announces Cosmetics and Personal Care Web Project

Made possible with the support of Kiehl’s Since 1851, the project will allow the museum’s collection of cosmetics and personal care products to be accessed online for education and research around the world.

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DNA Self-assembly for UV Protection and Hydration

Whoever thought a material's greatest weakness could become its strength? Scientists at Binghamton University and the University of Rhode Island, apparently, as a recent DNA-related study illustrates.

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Pigment Discovery 'Blue' Scientists, and Now Crayola, Away

YInMn Blue was the first new blue pigment developed in 200 years. Now Crayola is inspired to add it to the box, which should officially be available by the end of 2017. Could this spark a new color trend?

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Comparatively Speaking: Patents, Exclusive Right and Public Development

There are now more than 10 million patents issued in the United States, and they are a crucial part of how we develop cosmetic and personal care products.

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Cerebral Beauty: Emotions and Aging, an Ayurvedic Analysis

How might mind-body connections improve skin care? This article provides modern insights as illustrated through ancient ayurvedic principles. The fact that negative emotions and psychological stress affect aging is not ancient folklore, it has been validated scientifically; telomeres, for example, are shorter in pessimists.

Scale-up Basics for Formulators and Process Engineers

This article aims to help novice formulators understand issues that arise from the scale-up of their recipes, and to remind experienced formulators of some of the less common pitfalls. It also focuses on the unique demands of process development for global implementation at multiple sites, specifically pertaining to the scale-up tasks for process engineers at multinational companies.

A Dermatological View—In vitro Buffering Capacity of Human Skin Layers

Previous studies demonstrate that skin buffering capacity can be measured in vitro by applying several concentrations of hydrogen chloride (HCl) and sodium hydroxide (NaOH) on skin and evaluating the pH change pre- and post-dosing. Here, the authors employed this technique to evaluate the buffering capacity of skin layers including intact SC, denuded SC and dermis skin samples.

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[podcast] Age of Inflammation: How Health is Driving the Microbiome Market

"I think millennial women are changing the world by doing something that’s never been done before," says Larry Weiss, M.D. "They're reading labels and asking questions." What are they looking for? Read on and listen in to learn more.

Clearstem Acne Lab Test analyzes blood samples for 80+ acne markers.

Clearstem Acne Lab Test to Uncover Consumers' Unique Causes of Acne

The brand announced its telehealth debut with the launch of its Clearstem Acne Lab Test, which assesses biomarkers in blood to identify consumers' unique root cause(s) of acne for personalized treatment.

The lab runs with robots and artificial intelligence performing as much as 90% of the work. That, in turn, speeds up the process of discovery. *Depiction shown

AI x Automation = University of Toronto's Self-driving Human Tissue Lab

The University of Toronto is now equipped with a “self-driving lab” combining AI and automation to equip researchers to better understand health and disease, and more rapidly test the efficacy and toxicity of drugs and other materials.

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[podcast] The Smell of Success: P&G's Wilkerson on Consumer-acceptable Scalp Care

What's that smell? Not the infamous selenium. In this exclusive podcast, Rolanda Wilkerson, Ph.D., principal scientist at P&G, shares how the Head & Shoulders brand was re-formulated for consumer-acceptance, among other insights. Listen now!

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