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Type: Article

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Latin Americans Need Better Sunscreens

Consumers need extra photoprotection in Latin America. Why? Marcelo de Paula Corrêa explains.

Changes to US Sunscreen Regulations

The newest regulations and comments on sunscreens from the US Food and Drug Administration (FDA) were officially published in the Federal Register on June 17, 2011, and will go into effect June 17, 2012.

Nanoparticles in Sunscreens: Fact and Fiction

This paper reviews important issues regarding the classification for UV active ingredients and the need for a uniform classification and labeling system covering all nano ingredients. The definition of nanoparticles is not questioned here; however, the highly selective manner in which the definition is applied to different materials is.

Regulatory Review: Sunscreens

Mexoryl is a trademark of Chimex, which is part of L’Oréal. Since this topic is just one of several important sunscreen regulatory issues this year, the focus of this column is dedicated to this topic rather than a specific region.

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Guiding Sunscreen Traffic Across the Globe

Sunscreens are classified and regulated differently around the world. For instance, the United States considers sunscreens as OTC products, while Canada has a two-part classification system; other places classify sunscreens as cosmetics. Labeling and registering differ worldwide as well. In some cases, labels require certain Drug Facts or safety registration numbers, among others. This article reviews these differences.

Nanoparticles in Sunscreens: Fact and Fiction

This paper reviews important issues regarding the classification for UV active ingredients and the need for a uniform classification and labeling system covering all nano ingredients. The definition of nanoparticles is not questioned here; however, the highly selective manner in which the definition is applied to different materials is.

This iteration of formulating on trend discusses potentially harmful sunscreen ingredients and proposes other potential ingredient options.

Formulating on Trend: Reef-safe Sunscreen

This installment of "Formulating on Trend" discusses sunscreen ingredients under current scrutiny for allegedly harming coral reefs and proposes alternative options for reef-safe formulations.

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FLSCC Incites Regulation Debate on Sunscreens

The Florida chapter of the Society of Cosmetic Chemists (FLSCC) held its 2011 Sunscreen Symposium on Sept. 15-17, 2011. The event’s theme, “The UVB/UVA Balancing Act: Choices and Change,” was supported not only in the presentations but was also reinforced through attendee questions and reactions to recent sunscreen regulation.

Enhancing Sunscreen Efficacy for Realistic Application

The ability of a sunscreen to protect the skin from erythema is expressed on product labels as the sunburn protection factor (SPF)—i.e., the ratio of the minimum erythema dose (MED) with sunscreen to the MED without protection. Yet in reality, consumers do not apply the same mass/cm2 as is utilized in SPF testing, so maximal protection is not achieved.

Sunscreen Efficacy Validation and Other Topics

Care pH on epidermal permeability: Hachem et al. have studied the effect of pH on epidermal permeability and skin barrier homeostasis.

The South Beach Sunscreen Survey 2001

A scientific survey of sunbathers on Miami's South Beach in July 2001 helps answer the questions, "How much sunscreen SPF protection do I need?" and "What are consumers really using?"

Sunscreen Formulas With Multilayer Lamella Structure

The multilayer lamellar structure in sunscreens containing phosphate emulsifiers plays key roles in the emulsion rheology and in enhancing deposition of sunscreen oil on skin surface, thereby improving the SPF water wash resistance.

Strategies of Antiaging Actives in Sunscreen Products

The formulation of sunscreen products becomes more and more sophisticated by the addition of classical skin care benefits. Relevant active ingredients can help prevent sun damage or treat the UV-induced age symptoms.

A Sunscreen Formulation for Acne-prone Skin

This article describes the study of a topical sunscreen formulation that contains titanium dioxide and ethylhexyl methoxycinnamate for UV protection, and phosphatidylcholine and hydrosoluble azelaic acid for acne control.

Hydrogenated Polydecences and High-SPF Physical Sunscreens

New methods of micronization and coating of physical filters combined with vehicles containing high amounts of hydrogenated polydecenes provide high-SPF sunscreens that show improvements in photostability, effect-to-dose ratio, and skin substantively.

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Sunscreen Dynamics and the ‘Reef Safe’ Dance

Protection against damaging pollution, toxins and electromagnetic waves of all lengths is at the forefront of consumers’ minds; not to mention regulators’. But what happens when a topical solution to one of these forces is at odds with another?

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fulfilling the dream of more natural sunscreen

Antaron™ Eco ethylcellulose helps fulfill the dream of more natural sunscreen while providing excellent resistance.

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Inside Ingredients: Diatomaceous Earth

Different grades of diatomaceous earth, also known as silicon dioxide, are used for different purposes. Some go into pool filters. Others are used in personal care as abrasives, absorbents, anti-caking and bulking agents, non-surfactant dispersants and opacifying agents. They also can be applied topically as a facial mask or scrub.

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