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43 Results
Section: Testing > Sensory
Sensory
Measuring Tack in Hair Styling Products
Researchers from Technische Universität München have reported on a technique to measure the effects of different ingredients and environmental conditions on the tackiness of hair styling products.
Sensory
Significant Statistical Differences in Sensory Research
My dictionary has two definitions of the term significant. As others have pointed out, a research finding may be true without being important. When statisticians say a result is “highly significant,” they mean it is very probably true. Importance and meaning are determined by the consumer.
Sensory
Evaluating Hair Conditioning with Instrumental Combing
When formulating a hair care product, there is often a need for testing that validates the product’s technical performance. This testing provides guidance to create formulas with appropriate performance, while also communicating the product’s message to the consumer. This article discusses the use of instrumental combing measurements when formulating hair conditioning products.
Efficacy
Modifying Hair’s Structure From the Inside
Changing hair properties is a regular function of daily-use treatments. But what other methods can be used? Altering the hair’s internal structure may be the next way to achieve these changes.
Literature/Data
VIDEO: Gallagher Notes Innovation, Sustainability, Among Accomplishments
In a recent exclusive interview with C&T, Kevin Gallagher, Croda’s retiring president of personal care/actives, spoke about some of the significant accomplishments of his long career with Croda. See what he talked about with C&T’s Rachel Grabenhofer.
Testing
Soothing Moves:
Cannabis Sativa
Cell Culture Alleviates Inflammation
The field cultivation of hemp is tasked by today’s large-scale demand. Here, a
Cannabis sativa
cell culture extract is proposed as a sustainable alternative. After initial characterization, the extract was tested as described here for efficacy against inflammatory markers for skin-soothing activities.
Event Coverage
[updated] Virtual Roundtable: Inclusive Design for Universal Beauty
Gabriela Daniels of the London College of Fashion will participate in a virtual roundtable chat on inclusive design for universal beauty during
Beauty Accelerate Virtual
.
Consumers/Market
Opportunity in Diversity: Formulating for the Multiethnic Market
The expanding multicultural beauty market provides opportunity to formulate products specifically to the needs of ethnic skin types. Pigmentation is not the only difference between black and Caucasian skin, the skin barrier and other factors come into play.
Sensory
Sensory Insight: Emollient Profiling Accelerates Speed to Market
Sensory science allows cosmetic chemists to evaluate formulas by providing objective and scientific data on the sensory properties raw materials impart in formulations. This article describes a new sensory test called “Oil Sensory Qualification,” which provides formulators with a fast approach to emollient selection using sensory science.
Sensory
Testing Tactics in Skin: Keratinocytes as Sensory Nociceptors
Humans value senses of touch and warmth while enjoying their surroundings but pain and itch are also part of this experience. The present column explores Transient Receptor Proteins (TRPs), how they sense pain and itch, and their potential application in skin care and anti-aging products.
Magazine
The Emotion Paradox in Product Testing: A Commentary
A real challenge in the assessment of consumer emotional responses has been the need for validated but meaningful measures. Commentary outlined are benefits and drawbacks of various methods and asks the larger question of precisely what’s being measured.
Literature/Data
Binding Force: Natural Oxidized Keratin Internalizes Hair Repair
Bond multipliers have been developed to protect and repair hair. One in particular is a novel natural keratin alternative. Here, it is shown to retain fiber flexibility and protect and repair hair by binding intermediate filament proteins within the fiber.
Literature/Data
Patent Pick: In the Heat of Pleasurable Cosmetic Delivery
According to Estée Lauder inventors, personal care manufacturers are heating up the competition for consumer dollars by using heat in cosmetics and personal care experiences. But one particularly chilling roadblock to their development is the need for a portable energy source; as is described here.
Sensory
UV Transmission Assessment: Influence of Temperature on Substrate Surface
This work evaluates the impact of temperature on test substrate surfaces during the application, spreading and drying steps of the in vitro method to measure ultraviolet (UV) transmission. The authors work in a range between 20°C and 35°C, and demonstrate that controlling temperature is a key test parameter that should be strictly controlled to ensure reliability.
Efficacy
Kao Raises Shield Against Dust and Pollen in Hair
Kao Corp. presented new findings on the adhesion and negative effects of dust and pollen in hair. From this, researchers designed a shampoo and conditioning system to suppress this adhesion based on an oil-absorbing polymer.
Event Coverage
[video] News and Insights: SPF Testing, Pigment Restrictions & Cosmeceuticals
Summer has arrived, along with this week's recap from
Cosmetics & Toiletries
. Watch the video for our take on SPF 100+ testing, novel textures and more!
Literature/Data
Shaving and its Effects on Percutaneous Absorption in the Skin*
Despite its being an area of concern for many years, the percutaneous absorption of cosmetics has not been rigorously studied. Additionally, the effects of shaving on this process are relatively unknown. An overview of recent research reveals that more research in this area is required.
Cleansing
Comparatively Speaking: The INCI Names vs. Properties of Silicone Surfactants
Surface tension is a ruling factor in the formulator's world. In this edition of "Comparatively Speaking," Tony O'Lenick explains its influence on foam and wetting; he also demonstrates how little the INCI name reveals about a material's properties.
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