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156 Results
Type: Article
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.
Literature/Data
From Investigating Aging to Acrylic Polymers in Sunscreens
Technical talk from investigating aging to acrylic polymers in sunscreens.
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.
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.
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.
Sun Care
Increase Performance of Sunscreen Actives with Zemea® Propanediol
Improve your sun care formulations without compromising performance or aesthetics with Zemea® Propanediol. It is non-irritating, provides increased moisturization and excellent sensory characteristics eliminating stickiness and greasiness.
Magazine
Industry Insight: Sunscreen Differences for People of Color
This "Industry Insight" is adapted from an interview with Shannon Franklin of Black Girl Sunscreen, who explains sunscreen differences for people of color for more inclusive sun care formulating.
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.
Sun Care
Organic vs. Mineral: Where Sunscreens are Headed and Why [free formulation]
Take a deeper dive into the debate between organic and mineral UV filters used in Sunscreen and the twists and turns that keeps formulators guessing which is best.
SPF/Sun
Regulatory Review: The Proposed Amendment for Sunscreen Products in the United States
The US Food and Drug Administration (FDA) published the long-awaited Proposed Rules (PR) for sunscreens in the Federal Register. This column reviews some of the changes included in the amendment, citing pages of this document to provide additional details.
Sun Care
How a Functionalized Soy Film Former Boosts SPF, Dispersion in Sunscreen Emulsions
A nature-derived film forming polymer and dispersing agent was developed to enable more sustainable sun and color formulas. Its water resistance, SPF-boosting, pigment wetting and dispersion, and film-forming properties were evaluated as described here.
Magazine
Industry Insight: Mineral + Vegetal Sunscreen—An Aesthetic Answer for Sensitive, Mature Skin
In this "Industry Insight," Hemali Gunt, Ph.D., head of clinical scientific affairs for Burt’s Bees, offers insights into how Burt’s Bees went about formulating its latest mineral sunscreen.
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.
Regional
Regulatory Review: Regulations in Chemicals, Sunscreen Labeling and Nanotechnology
There have been several changes in regulations that will impact global formulations. The most important one concerns chemicals in the European Union (EU). In addition, steps towards evaluating the safety of nanomaterials have been made by US regulatory bodies.
Literature/Data
Efficacy vs. Risk: A Contemporary Review of Sunscreen Filters
Being protected from sunlight would seem essential to preventing DNA damage that leads to skin cancers; however, the sunscreen filters used pose some risks of their own. This brief review highlights the safety vs. risk of sunscreen filters and approaches to improving their efficacy.
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