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Section: Formulas/Products > Sun Care

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.

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[podcast] Making Sunscreens Cleaner and Clearer

In this interview, sponsored by Siltech, Brian Allen explains how the company combined its silicone technology with zinc oxide to create a reef-safe ingredient and prototype formula with a good EWG rating, USDA Biopreferred certification and whitecast rubout time reduction.

W/O Sunscreen Formulation

The following formulation is a o/w emulsion sunscreen formulation.

Researchers Investigate Photocontact Allergy in Sunscreens

Researchers at the University of Gothenburg and Chalmers University of Technology have investigated what happens when sun care products break down in the presence of UV radiation to better understand photocontact allergy with this process.

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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.

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Are Sunscreens Killing the Coral Reefs?

Scientists have reported that sunscreen may be to blame for dying coral reefs.

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[podcast] Consequences of Hawaii's Sunscreen Ban

In this podcast, renowned cosmetic regulatory expert David Steinberg walks us through Hawaii's recent sunscreen law, the "junk science" backing it (as he refers to it) and its broader implications.

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Sunscreen Symposium Day One Enlightens Attendees

Cosmetic scientists from around the world descended on Walt Disney World for the two-day 2015 Sunscreen Symposium featuring skin safety, boosting sunscreen efficacy, testing, formulations and more.

Sunscreen Innovation Act Becomes a Law

It's official—the Sunscreen Innovation Act has become a law. On Nov. 29, 2014, President Barack Obama signed the bipartisan Sunscreen Innovation Act into law, paving the way for more sunscreen actives on the U.S. sun care market.

Hawaii to Ban Certain Sunscreen Chemicals

Legislation was passed by the Hawaii state senate that, if signed by the governor, would prohibit the sale of sunscreen products containing certain ingredients. This move was in response to research showing their potential damage to coral reefs.

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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.

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.

Zinc about it! comprises mineral-based sunscreens of Symrise's Neo Heliopan, suitable for a range of products including sun care for kids, sports and sensitive skin.

Symrise Highlights its Mineral-based Sunscreens

The mineral-based sunscreens based on Symrise's Neo Heliopan ingredient are suitable for a range of products including sun care for kids, sports and sensitive skin.

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Detecting Coral Stress in Response to Sunscreens

Metabolomics is at the heart of recent work published in Nature Scientific Reports, wherein an increase in a known steroid in coral was noted in the presence of three common sunscreen ingredients.

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Sunscreen May Be More Effective When Nanoencapsulated

Research recently published in the International Journal of Cosmetic Science shows nanoencapsulated sunscreens to be more effective, helping guard skin against sun damage.

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