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17 Results
Section: Testing > Sensory
Literature/Data
Comparatively Speaking: Inflammation vs. Allergy
Are you formulating for sensitive skin? Or is it really normal skin undergoing a typical inflammatory response? Where do allergic reactions fit in? In this edition of "Comparatively Speaking," Nava Dayan, Ph.D., explains.
Literature/Data
Comparatively Speaking: Crossmodal vs. Lineal Perception
Lineal perception relates to a direct line between a stimuli and a single sensory interpretation. Crossmodal perception refers to responses and interpretations of various senses to a stimulus, offering product developers opportunities to create novel consumer experiences.
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.
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.
Sensory
[podcast] Layering Experiences to Create Product Complexity
"[One] area where there’s quite a bit of interest ... is around the notion of complexity. ...In this idea of complexity, [we've done] work in sort of pairing, sequencing and combining." Learn more about this concept from Charles Spence, Ph.D., in this free podcast, sponsored by Berjé.
Sensory
Quality Comparison of W/O and O/W Photo-Protection Creams
The authors determined the quality of a photoprotector W/O cream by evaluating its microbial control, physicalchemical stability and sensory appeal in comparison to an O/W photo-protector cream.
Method/Process
Test Model Developed to Predict Skin Permeability of Compounds
A test model published in the
Journal of Chromatography A
uses retention on octadecyl, cholesterol-bonded and immobilized artificial membrane columns to accurately predict the skin permeability of compounds.
Companies
Nature
and Estée Lauder to Honor Up-and-coming Female Researchers
In a new partnership, Nature Research, publisher of the industry-renowned journal
Nature
, and multinational cosmetics giant The Estée Lauder Companies will present early-career female scientists with awards for innovating and inspiring science.
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.
Tech/Equipment/Services
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.
Sensory
'Zapping' Sensitive Skin: Capsaicin Tests Show
Embelia concinna
Comforts Irritation
In previous work, a flavonoid-titrated active ingredient based on
Embelia concinna
was shown in vitro to calm and soothe sensory neurons stimulated with capsaicin. Here, those results are confirmed in vivo using a capsaicin stinging test with human volunteers.
Sensory
Author Commentary: John Jiménez and Mauricio Guzman Alonzo on Synesthesia in Cosmetics
Most everyone knows what it's like to be a consumer. More recently, product developers have been tapping into this experience to evoke emotional connections in consumers. John Jiménez and Mauricio Guzman Alonzo, authors in our latest issue, have been leading this charge for cosmetics development. Here, they share their insights.
Sensory
Wellness by Design: Positive Comparison Patterns to Engage Latin American Consumers Through Fragrance
A well-crafted fragrance that aligns with sociocultural values can inspire positive emotions in consumers. To achieve this, Positive Comparison Patterns (PCPs) in neuroscience are introduced here and used to elicit positive scent experiences in Latin American women.
Method/Process
Fluorescence LSCM to Assess the Penetration of Low Molecular Protein Hydrolyzates Into Hair
The present study uses confocal laser scanning fluorescence microscopy to assess the penetration of protein hydrolyzates into hair. While higher amounts of protein were found in the cuticle, still significant quantities were observed in the cortical parts of hair, and this penetration was enhanced by longer incubation times.
Method/Process
Fluorescence Laser Scanning Confocal Microscopy to Assess the Penetration of Low Molecular Protein Hydrolyzates Into Hair
The present study uses confocal laser scanning fluorescence microscopy to assess the penetration of protein hydrolyzates into hair. While higher amounts of protein were found in the cuticle, still significant quantities were observed in the cortical parts of hair, and this penetration was enhanced by longer incubation times.
Sensory
Falling Ball Viscometer for Newtonian Fluid Measurement
Brookfield Engineering celebrates its 75th anniversary with the introduction of the Falling Ball Viscometer, an instrument to assess the dynamic viscosity of transparent Newtonian fluids.
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.
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