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195 Results
Section: Cosmetic Ingredients
Hair Care
The Quest for Avobenzone Stabilizers and Sunscreen Photostability
Butyl methoxydibenzoyl methane (BMDBM) is well-known as an effective UVA filter when it is stabilized. Here, the authors measure the efficiency of ten commercially available products that are reported to stabilize BMDBM. The most effective product found was octocrylene that, being a UVB filter, also contributed to the SPF.
Sun Care
W/O/W Technology to Enhance Organic UVA/UVB Sunscreen Performance
A new water-in-oil-in-water technology is described here that functions as an isolating shield, preventing UV filter particles from aggregating and helping their dispersion in formulas. The technology is shown in vitro and in vivo to improve SPF performance, UVA/UVB wide band high protection ratio, SPF sustainability and safety concerns regarding skin penetration.
Sun Care
Coated Inorganic Filters for Elegant and Protective Sunscreens
Inorganic UV filters must be distributed evenly to ensure sun protection. Further, they can present challenges of a pasty consistency and undesirable opacity when applied to skin. This paper therefore describes strategies using micronized titanium dioxide with different coatings to optimize its dispersion and protective benefits while improving processing and aesthetics.
Literature/Data
Patent Pick: Anti-acne Sunscreen with Salicylic Acid
A recent L'Oréal patent application discloses a sunscreen formulation with anti-acne properties thanks to the inclusion of salicylic acid and one additional acne active. The formula reportedly is stable and effective.
Sun Protection
The Best Sunscreen? The One People Will Use.
This guest advisor commentary comes from regular
Cosmetics & Toiletries
contributor and photochemistry expert Craig Bonda, president of Inception Partners, LLC, and technical consultant to the sunscreen industry.
Sun Care
Polymers to Boost SPF, Water Resistance in Sunscreens
Sunscreen formulations with a special rheology modifier and film forming polymer may boost the water resistance properties of TiO2 and ZnO.
Preservation
Sunscreen Preservation, schülke is Up to the Challenge
Sunscreens, high oil phases, natural oils … all can be a challenge to preserve. This is particularly true when using modern, non-traditional preservation methods. sensiva® PA 40 is the perfect solution for these difficult-to-preserve systems.
Efficacy
Wet Skin Factor for Sunscreens: An In vitro Method, Part II
Sunscreens designed for application to wet skin are popular in part due to convenience, skipping the drying step completely. In relation, these authors propose a new in vitro test to compare the wet skin factor of sun care products. Here, 20 products were tested and compared according to several conditions in order to define the best parameters for the method.
Actives
Ultra Highlights Assure+ and Zano/CosmoSurf Ranges at Sunscreen Symposium
Ultra showcased Assure+ and its Zano and CosmoSurf ranges, designed to support the formulation of efficient, aesthetic sun care, during the latest Florida SCC Sunscreen Symposium.
SPF/Sun
[podcast] Sunscreen Innovation Act Update: MUsT Test and Penetration Potential
"What’s changed with respect to sunscreen evaluation is ... the test model they are using now is designed for drugs ...and has never been applied previously for the sunscreens," Epstein reports.
Actives
DSM-Firmenich's Parsol SLX Said to Boost Sunscreen Performance by 50%
The technology could potentially allow brands to minimize chemical loads in formulations.
Efficacy
Wet Skin Factor for Sunscreens: An In vitro Method, Part I
Sunscreens designed for application to wet skin are popular in part due to convenience, skipping the drying step completely. In relation, these authors propose a new in vitro test to compare the wet skin factor of sun care products. Here, 20 products were tested and compared according to several conditions in order to define the best parameters for the method.
Sun Care
Read the Label: Vacation Brand Classic Whip SPF 30 Sunscreen Mousse
"...I recently picked up Vacation’s Classic Whip SPF 30 Sunscreen Mousse. Admittedly, I came for the SPF, but I stayed for the unique mousse texture..." writes Alison Wery, in her latest Read the Label column. Read on to learn about this formula design.
Sun Care
Developing Sunscreens for the Preventive Treatment of Photodamage and Premature Aging
This article reviews the mechanisms of ultraviolet radiation insult to skin and explains the formulation of sunscreens to protect against this damage. Further, since the efficacy of combinations of UV filters will vary with formulation base, the formula vehicle and form are discussed, as well as an overview given of typical sunscreen efficacy tests performed prior to production.
Research
How Natural Antioxidants, Iron Chelators Boost Sunscreens and Anti-aging Products
A recent article reviews the mechanisms of aging caused by excess ROS production due to UV, visible and infrared light exposure. Natural antioxidants with specific properties are proposed to strengthen sunscreens and anti-aging products.
Formulating Aids
Caprylyl Glyceryl Ether to Enhance Pigment Wetting, Preservation in Cosmetics, Sunscreens
Caprylyl glyceryl ether is a natural multifunctional emollient with previously demonstrated preservative-boosting effects. More recently, its pigment wetting and dispersion properties for color cosmetics and sunscreens also were identified, as shown here.
Sun Care
Developing Sunscreens for the Preventive Treatment of Photodamage and Premature Aging
This article reviews the mechanisms of ultraviolet radiation insult to skin and explains the formulation of sunscreens to protect against this damage. Further, since the efficacy of combinations of UV filters will vary with formulation base, the formula vehicle and form are discussed, as well as an overview given of typical sunscreen efficacy tests performed prior to production.
Event Coverage
Microbe-activated Oxytocin and Renewable Sunscreen: Ingredient Winners Announced
Pre- and probiotics, senolytics, sustainable naturals, renewable sunscreens and texturizers were among the winners of the in-cosmetics Innovation Zone and Green Ingredient awards.
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