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23 Results
Type: Article
Section: Testing > Efficacy
Efficacy
Isomalto-oligosaccharides Naturally Balance ‘Stiffness’ with Flexibility for Hair Styling Benefits
This article describes enzymatically controlled naturally derived isomalto-oligosaccharides. It demonstrates how they balance stiffness and flexibility to maintain hair styles, as well as reduce the need for synthetic setting polymers.
Efficacy
How Dissolving HA Microneedles Change Before/After Application
Dissolvable microneedles have gained popularity to overcome the skin barrier and deliver actives. Here, SEM was used to evaluate changes that occur to microneedles upon application. The results could provide claims and regulatory classification insights.
Efficacy
Simple and Sensorial: Amino-modified Silicone Protects and Revives Hair
Multifunctional ingredients can simplify hair care routines by offering protection, performance and sensory benefits in one step. Herein, a terminal hydroxy amino-modified silicone is tested for its effects on hair breakage, drying time, wet and dry combing, colorfastness and more.
Efficacy
Dual Defense: Protecting and Repairing Hair Holistically, Inside and Out
Cumulative stress encountered by hair during daily grooming causes breakage and other forms of damage. This paper presents a holistic approach to protect hair from within and without by targeting the cortex and cuticle sheath. Fatigue testing and other assessments are carried out to determine efficacy.
Efficacy
Defending Integrity: Microemulsion to Restore Bleached and Dyed Hair Properties
Unlike skin, hair lacks regenerative properties, so it is important introduce components during bleaching and color treatments that preserve and maintain hair’s structure. The present article proposes a bis-PCA dimethicone solution, which acts via novel bonding mechanisms to impart cumulative strengthening in chemically treated hair.
Efficacy
Hello, Hydration: Spinach Hydrogels Deliver Saturated Skin
Green Ceylon spinach polysaccharides meet consumer preferences for natural and sustainable ingredients. This clinical testing examines its skin-hydrating properties, plus its availability and potential for industrial use.
Efficacy
Unassuming Softness: Silicone Conditions Hair Without Affecting Dyes, Perms or Pores*
This study assesses the deposition on hair of a coacervate comprising silicone, cationic cellulose polymer and water, and its impact on hair dyes and permanent waves, as well as scalp pores. Results suggest silicones provide conditioning benefits to hair without disrupting these subsequent chemical treatments, or blocking pores.
Efficacy
Your Hair on Acid: The Influence of Carboxylic Acids
Carboxylic acids are growing in use to alter hair's properties from the inside out. This column explores the efficacy of these materials and presents possible explanations for their effectiveness.
Literature/Data
A New Spin on Delivery: Electrospun Collagen Drives Actives to New Depths
Nanofibers from marine collagen were tested for their ability to deliver hyaluronic acid and grapeseed and kiwifruit bioactives into skin. Results showed they penetrated in under one minute. This sustainable and natural platform removes the need for emulsifiers, penetration enhancers and other transporter ingredients. It also enables the encapsulation of a wide range of water- and oil-based actives.
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.
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.
Regional
Cosmetovigilance Connections: Safety and Concerns Over Light-cured Gel Nails
Cosmetovigilance is necessary for the prevention of potentially undesirable effects from cosmetic products. In relation, UV light used to cure gel manicures is one area with which the CTPA and British Society for Cutaneous Allergy are concerned.
Cleansing
The Many Faces of Microemulsions: Converting Challenges to Step-change Opportunities, part II
Microemulsions present a means to convert the challenges faced by the personal care industry into step-change opportunities. This review considers the features of microemulsions, their applications and various means of preparing them.
Skin Care
The Many Faces of Microemulsions: Converting Challenges to Step-change Opportunities, part I
Microemulsions present a means to convert the challenges faced by the personal care industry into step-change opportunities. This review considers the features of microemulsions, their applications and various means of preparing them.
Efficacy
Heat Protection Getting Warmer: Specialty Silicones for Hair
The present study examines the ability of silicones to protect hair during heat styling, compared with other industry benchmarks and untreated hair. Also discussed are the mechanisms through which different silicones contribute heat protection in hair care products such as leave-in conditioners, serums and other product forms.
Method/Process
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.
Literature/Data
Patent Picks—Suprametallogels, Detecting Analytes, Vibroturbilization and Other R&D Processes
Patent Picks are compiled by the editors from publicly available sources. This edition features inventions related to processes and methods of forming suprametallogels, synthesizing stable resveratrol, detecting target analytes, surface-treating calcium carbonate, processing dispersed systems, enhancing dermal penetration, temporarily dyeing hair and more.
Efficacy
Sea Anemone Delivery of Collagen and γ-PGA for Anti-aging Benefits
The effective delivery of youth-preserving collagen and moisture remains a cosmetic Holy Grail. In response, this study describes a natural microinjection system based on the stinging cells of the
Cnidaria
sea anemone to effectively puncture the stratum corneum layer and deliver its content—both marine collagen and γ-PGA—into skin, offering a promising new class of solutions to age-old challenges.
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