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180 Results
Section: Testing
Efficacy
Words from Wiechers: What You Say is What You Get
This installment of "Words from Wiechers" explores what we see and say about cosmetic products, and cautions to not make “conclusions” that are simply that—conclusions, without underlying science.
Efficacy
Words from Wiechers: What is 'Normal' Skin Care?
This article series considers the many lessons the cosmetics R&D industry can learn from the late Johann Wiechers, Ph.D. The present installment addresses where to draw the line between a cosmetic and drug.
Methods/Tools
What is Light? A Brief History of Light and Its Behavior
This primer provides cosmetic scientists, engineers and physicists with an understanding of light. The quantum mechanics of history continue today as a guiding paradigm for computers, satellites and mobile communications, in addition to the cosmetically related fields of photoprotection and visual effects imparted through makeup to change appearance.
Polls
[poll results] What is Your Preferred Method of Product Stability Testing?
There are a number of ways to measure the stability of formulas. Last week, we asked which is your favorite way: Real-time, accelerated or both? Here's how you responded.
Polls
Poll Results: What is Your Biggest Concern Regarding Consumer Safety in Cosmetics?
Recently, we polled our audiences on social media about their biggest concern for safety in cosmetics. Their responses surprised us.
Polls
[poll results] When Formulating, What is Your Main Criterion for Selecting a Preservative System?
Whether or not a brand aligns with consumer beliefs when it comes to ingredient choices depends on the business strategy. Last week, we asked: When formulating, what is your main criterion for selecting a preservative system? Here's what you said.
Method/Process
Testing Tactics in Hair: Beyond Biology—Why African Hair is Fragile*
The remarkable shape of African hair can lead to a variety of issues for the wearer. High on this list is a marked propensity for breakage, and efforts to minimize this result in unique hair-related habits and practices. This article describes recent measurement advances that shed much needed light on the reasons for these issues.
Colorant
SCCS Concludes DHA is Safe for Hair Dyes
The SCCS released its opinion on dihydroxyacetone (DHA; 1,3-dihydroxy-2-propanone) at a plenary meeting held on March 4, 2020: the ingredient is safe for use as a hair coloring ingredient in leave-on treatments, and in self-tanning lotions and face creams.
Sensory
How Damaged is Hair? Part I: Surface Damage
This article is the first of two that explores ways of capturing and quantifying the different forms of hair damage. Here, we begin with damage to the hair surface, or cuticle, while also exploring the implications of this occurrence. A second article will focus on damage to the internal cortex structure.
Method/Process
How Damaged is Hair? Part II, Internal Damage
This article is part II in our series on hair damage. It explains the internal cortex structure of hair is not easily visible, and that various mechanical tests can yield different conclusions. Here, tests are described that can show changes to the internal cortex structure and their impact on hair’s mechanical properties.
Efficacy
[podcast] Is Anti-pollution Care Really Relevant in Hair?
Some experts are skeptical over the prospects of anti-pollution care for hair, but not Erik Schulze zur Wiesche, Ph.D., of Henkel. As he describes in this exclusive podcast, the damage is real, measurable—and rectifiable. Listen now!
Method/Process
How Damaged is Hair? Part III: Better Defining the Problem
By identifying elements at the heart of technical issues in hair, product developers will uncover options to consider for improving its health and appearance. Completing our three-part series, this final piece on hair damage provides insight on new ideas and strategies for problematic hair.
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.
Event Coverage
What Beauty Innovations Qualify for the 2025
C&T Allēs
? What Are the Requirements?
What entries compete in the
C&T Allēs
? From ingredients, blends and prototype/finished formulas, to test methods/tools, devices and digital tech, entries span the cosmetic R&D process. Read on for more and enter now - the deadline is Sept. 13!
Oral Care
What’s Your Environmental Impact?
Eurofins encourages consumers and formulators alike to monitor the environmental impact of cosmetic products. One way to achieve this is through an ecotoxicological test, which can pave the way for "green" products.
Literature/Data
What do We Know About Depigmenting Agents?
This review examines the efficacy and tolerability of agents such as hydroquinone, ascorbic acid and retinol to treat hyperpigmentation disorders. The authors assess the quality of studies as a tool to determine efficacy of depigmenting agents. Along with outcome, they also analyze study design, participant skin type, duration, intervention and statistical significance.
Literature/Data
[podcast] What We Know About the Skin Microbiome
Where is the cosmetics industry in terms of understanding the skin microbiome? And what approaches could engage or support the entities therein? Larry Weiss, M.D., tells us, in this exclusive interview. Listen now.
Claims/Labeling
What Dermatologists, FDA Say about Halloween Makeup
Spooky makeup fills novelty shops this time of year, but what did dermatologists and other experts have to say about safety and ingredients?
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