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156 Results
Type: Article
Sun Care
Dielectric Constant to Develop Clear Sunscreens for Wet Skin
Sunscreen sprays have gained momentum due to their ease of application. However, while they appear clear on dry skin, they often turn cloudy and white when applied to wet skin. Here, the authors present a formulating approach based on the dielectric constant of esters and level of alcohol in formulations to produce anhydrous sprays that appear clear on wet skin.
Magazine
Why Not All Sunscreens are Formulated Equal—A Commentary
From a chemist’s perspective, the limiting factor in sunscreen development previously was focused on how best to protect the skin. Now, protecting the planet, organic formulas and new regulations add layers of complexity, distinguishing product formulas.
Sun Protection
Hallstar’s Sunscreen Testing Platform is More Science than Art
Hallstar’s patented Solasure™ platform is the dawning of a new age in sunscreen testing: scientific, quantified, uniform, repeatable, easy-to-use, and cost-effective.
Actives
Zinc Oxide: The Naturally Sourced Broad-spectrum Sunscreen Ingredient
Today, zinc oxide is not a treatment for skin cancer, but used in a variety of wound healing and sunscreen formulations. It is the only sunscreen ingredient that is also recognized by the U.S. Food and Drug Administration (FDA) as a Category I Skin Protectant and is recommended for use on compromised skin.
Sun Protection
Quantifying Benzophenone-3 and Octyl Methoxycinnamate in Sunscreen Emulsions
The authors have validated a high performance liquid chromatographic (HPLC) method for the quantitative determination of benzophenone- 3 and octyl methoxycinnamate present in sunscreen emulsions.
Actives
Don’t Count On Genetics, Sunscreens are the Best Bet
In a podcast with P&G scientists Frauke Neuser, Ph.D. and Rosemarie Osborne, Ph.D.,
Cosmetics & Toiletries
learned about genetic studies in support of the Olay brand, and more. Following is an excerpt.
SPF/Sun
Sunscreen Regulations: Why 'Final' is Not the Right Word
Over the past 25 years, no category of “cosmetics” has seen change like sunscreens. This discussion reviews how current regulations have come to be, and looks to where they are headed.
Actives
Using Zinc Oxide in Sunscreen Products
While zinc oxide had been used for decades in sunscreen products — remember the white coating on lifeguards’ noses? — it was only approved for this use by the FDA approximately 10 years ago. Prior to that, it was actually considered to be (and still is) an approved skin protectant material.
Sun Care
Expert Opinions on Sunscreens and Moisturizers
Should we be lowering SPFs for better broad-spectrum efficacy? And of what relevance is the microbiome to skin hydration? These and other insights in sunscreens and moisturizers are covered in our all-new digital exclusive column, "Expert Opinions." Watch for new topics next month.
Cosmetic Ingredients
Controlling the Spreading of Sunscreen Products
Spreading control agents used in the formulation of topically applied drugs, especially sunscreens, provide a method to control dosage and improve effectiveness. These materials have recently begun to solve the problem of insufficient product application in actual use.
Color Cosmetics
Getting Their Daily Dose: Consumer-friendly Sunscreens for Maximum Compliance
It’s well-known that consumers do not apply sunscreen as much or as often as needed to ensure sun protection. These everyday products help by the incorporation of sun protection into their formulas.
Method/Process
A Laboratory Method for Measuring the Water Resistance of Sunscreens
A new laboratory in vitro method for the measurement of sunscreen water resistance uses spectrophotometric analysis of a model skin substitute before and after 80-minute immersion. It gives good correlation with the FDA’s 80-minute immersion SPF results (very water resistant). The method is especially good for screening new formulations or water-resistant technologies.
Sun Care
Smart Sunscreen Packaging Shows How Long Until You Bake
Imagine smart packaging that tells the consumer when it's time to reapply another glob of sunscreen. Well, it's already on the horizon.
Sun Care
Controlling Hydroxyl Radical Formulation in TiO2 Sunscreens
Titanium dioxide (TiO2) is an effective sunscreen agent but its rutile form may produce hydroxyl radicals upon exposure to sunlight. Thus, the authors use salicylic acid as a capture agent to examine the development of free radicals in solutions or creams containing TiO2. They also explain how the choice of emulsion may reduce free radical generation.
Sun Care
A Review of Current Sunscreen Formulation Techniques and Technology
The author reviews several sunscreen formulations currently on the market and discusses their effectiveness and formulation strategies.
Event Coverage
Future Testing, Safety and Formulating Headline the Sunscreen Symposium
"I am convinced the earth-shattering event [in sunscreens] will eventually become the greater awareness for the big difference between SPFindoor and SPFoutdoor," writes Uli Osterwalder, regarding new findings at this year's Sunscreen Symposium.
Nutricosmetics
Supplementing Sunscreens: Rosemary and Grapefruit Protect Skin from Within
Concerns over the damaging effects of sun exposure continue to grow as increasing evidence becomes available. In relation, growing scientific research supports sun protection from within as an adjunctive approach to topicals; one such solution is presented here.
Literature/Data
Researchers Develop Tool to Test Textural Characteristics of Sunscreen
A new report implies that a neural network could be used to predict consumer satisfaction of cosmetic products not yet introduced to the market.
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