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Section: Testing > Efficacy
Efficacy
[video] Natural Preservatives and the Microbiome
How might topical cosmetic preservatives influence one's microbiome? Here, Anna Crovetto, of Active Microtechnologies, describes research on this subject, presented during the latest IFSCC Congress.
Nutricosmetics
Nutraceuticals Benefit Hair Wellness and Growth
A recent review published in
Nutrients
explored nutraceuticals to benefit hair wellness and growth especially in the context of endocrine therapy-induced hair loss in breast cancer patients.
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.
Literature/Data
In Light of Exposure: Understanding Avobenzone Part I, Characterization
Avobenzone is a widely used UV-absorbing organic filter. Its dynamic nature and photophysical and photochemical properties are responsible for its widespread use. This first in a two-part series reviews its inherent characteristics and behavior in solvents; part two will consider its behavior with other sunscreens and in formulas.
Sun Care
In Light of Exposure: Understanding Avobenzone Part II, Application
Avobenzone is a widely used organic UV filter. Its dynamic nature and unique properties are responsible for its widespread use and forms. This second in a two-part series considers avobenzone’s behavior with other sunscreens and in formulas; part one reviewed its characteristics and behavior in solvents.
Literature/Data
Methylparaben, Phenoxyethanol and Both: Exploring Toxicity
This study underlines the significance of variations in the safety and efficacy of individual and combined preservative systems. It also reiterates the strategy of leveraging the right preservatives and levels for given formulation designs.
Literature/Data
Industry Insight: Seeing Through Layers of Skin Care Complexity
"With today’s advances in
omics
, generally ceramidomics, proteomics or lipidomics, we understand much better the complexity of area lipids in the stratum corneum; not only for body skin, but also for the face," says Tony Rawlings, Ph.D., in this exclusive interview.
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
Antioxidant, Anti-inflammatory Effects of CBD Confirmed in Keratinocytes
A study published in the
Journal of Natural Products
confirms the mechanism through which cannabidiol (CBD) exerts antioxidant and anti-inflammatory actions in human skin keratinocytes.
Actives
Research Reveals the Skin Whitening Secrets of Korean Mulberry
The University of Hong Kong and Peking University recently discovered you can't squeeze skin whitening effects out of any old Korean or Chinese mulberry. Learn more.
Method/Process
Gattefossé Reveals Effects of Sunscreen, Moisturizer, Film Former Layering
Gattefossé analyzed the efficacy and sensory effects of sunscreens applied to skin on top of other products. Results suggest film formers are a key ingredient.
Efficacy
A Sunny Proposition: The Effects of Sun on Hair
While not nearly as well-documented as skin, plenty of literature indicates the sun can have damaging effects on hair.
Literature/Data
[video] Skin Diversity, SPF, Dryness and Whitening
During in-cosmetics Global, Beverley Summers, Ph.D., of the Sefako Makgatho Health Sciences University in South Africa, gave observations from her experience of overseeing a clinical skin testing facility.
Literature/Data
[podcast] Next Steps and Future Psoriasis Care
"Right now, I'm sure CeraVe will use these results to take a look at what market forces are driving [patient] choices," explained Neal Bhatia, M.D., in this last in a three-part podcast series exploring psoriasis care.
Natural/Sustainable
Patent Pick: Plant Extracts Treat the Root Cause of Aging
'Rooted' in a new solution to extend cell longevity and delay aging are plant extracts including black cohosh, Valerian, ginkgo biloba, celery seed, white willow and passion flower, according to these inventors.
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.
Efficacy
[podcast] Naturals and Synthetics: On Even Ground?
Burt’s Bees may be best known for its lip balm but things are about to change; at least, if Celeste Lutrario, vice president of research and development for the company, has it her way.
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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