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341 Results
Type: Article
Section: Testing > Method/Process
Actives
The treasure of Gabès oasis to treat acneic skin
SILAB Softcare presents its second natural active ingredient ACNESIUM®, developed to prevent the clinical signs of slight to moderate acne in adults. Discover how it improves patient’s quality of life.
Testing
Mitigating 'Maskne:' Boldo to Balance Sebum, Bacteria and Redness in Acneic Skin
Peumus boldus
(boldo) extract was tested for effects on sebum production,
S. aureus
growth and
C. acnes
lipase activity in vitro, as well as on skin redness in vivo. This work aimed to develop a natural ingredient to control sebum, inhibit microbes and their activity, and reduce redness in acne-αfflicted skin.
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.
Methods/Tools
“COSMETICS LAB” magazine – Must-knows on Ingredients
Read about extraction and purification of active ingredients in the newest "COSMETICS LAB" magazine. See how to optimize ingredient selection and develop quality cosmetic products.
Method/Process
Good As Gold: Validating Alternative SPF Test Methods
This article presents alternative sunscreen test methods to the gold standard ISO 24444:2019. Options range from in vivo calibrated in silico tools and in vitro plate procedures, to a hybrid method. This discussion highlights their potential and procedures for their validation with the aim of replacing the current standard.
Natural/Sustainable
Planting Ideas: Upcycled Rubber Seed Offers a Renewable Cosmetic Ingredient
The sustainable utilization of by-products from the para rubber production industry is presented here for cosmetics. Experiments confirmed the safety of para rubber seed oil, in addition to antioxidant and skin-lightening efficacies.
Method/Process
[video] Understanding Adhesion of Pollution Particles to Skin
University of Le Havre researchers sought to better understand the adhesion mechanism of pollution particles to skin. Here, Lívia Salomao Calixto, Ph.D., explains their study design and findings, presented at the IFSCC Conference in Milano.
Method/Process
Solving Sensitivity: In vitro Assays for Sensitive Skin
There are many mysteries regarding sensitive skin, including how to minimize the chance that a product will create a negative response. This article details causes of this syndrome, along with details for testing personal care ingredients for their interaction with sensitive skin.
Method/Process
[video] Standardized Test to Assess Anti-irritant, After-sun Gel
While these researchers could not prove the efficacy of the after-sun gel, they did establish the first-known, standardized approach to assess the efficacy of an after-sun product. Learn more from the video.
Method/Process
Grooming Habits: A New Focus for Ethnic Care
Product developers often develop hair solutions for a specific ethnic market; however, fundamentally, hair structures are the same. The present article proposes how grooming habits, along with drastic variations within a single head of hair, should be considered.
Safety/Stability
Why the FDA's 'Sunscreens in the Bloodstream' Study is Flawed
A recent study published in the
Journal of the American Medical Association
tested the potential systemic absorption of certain sunscreens. Results identified their presence in subjects' bloodstreams; however, as industry expert David Steinberg explains, the study is misleading and fails to consider crucial variables.
Efficacy
Total Breakdown: Recovering Anti-aging Efficacy After Collagen Fragmentation
When collagen breaks down, the broken fragments can hinder the performance of anti-aging actives over time. This column examines methods by which materials can overcome these aging-related issues in collagen production.
Method/Process
Making Moves Toward an Animal Testing-free Future
I think the cosmetics industry will agree: we want to see animal testing phased out in our lifetimes. Not only for ethical reasons, but because these methods are much less relevant than today's alternatives. The good news is worldwide efforts are getting us there; following are recent examples.
Method/Process
Stability Testing Guidance for Product Safety and Shelf-life Insight
Routine stability testing provides cosmetic manufacturers critical data about a product’s safety and shelf life. While not required by legislation, these tests can ensure the successful marketing of products. The present paper provides and overview of the basics manufacturers should cover when stability testing products.
Efficacy
Quantifying Visual Aspects of Hair
Quantitive claims regarding hair care can be questioned if the results and approaches do not equate to real life occurrences. This article highlights ongoing research efforts that aim to improve our understanding of visual evaluations of hair.
Skin Care
Judgment Stands: Emollient Profiling Proven Consistent Over Time
Previously, the “Oil Sensory Qualification” test was outlined to quickly evaluate the sensory properties of raw materials in formulas. As a follow-up, this article describes the further development and validation of this test for consistency over time.
Method/Process
'Behind the Gloss'—Multiple Angles Reveal New Soft-focus Insights
Described here is a novel method to investigate the soft-focus effects of powders. It utilizes a handheld, multi-angle spectrophotometer to capture reflectance spectra at various observation angles. Results showed variances in results taken in the trans or “behind the gloss” plane, indicating which powders provide the best light-scattering capabilities.
Tech/Equipment/Services
Good Vibrations: Spectroscopic Imaging to Visualize the Delivery of Actives
Understanding how actives are delivered is essential to product development and to provide scientific data in support of a product’s efficacy. Vibrational imaging spectroscopy is shown here to enable the visualization of the penetration of cosmetic actives into skin, hair and nails.
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