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Type: Article

Section: Formulas/Products > Sun Care

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Patent Pick: Putting a 'Hex' on UVA and Heat

Sunscreen developers walk a fine line between protection and transparency, mainly due to the laws of physics. The inventors on this patent defy these laws with a transparent, effective and heat-releasing form of hexagonal prism-shaped ZnO particles.

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Introducing BASF’s new Experiential Skin Care

Shifting population dynamics along with ease of accessibility have overturned geographical limitations. Consumers show less brand loyalty and are willing to experiment with various products on the market.

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C&T Formulary: Sun Care

Check out our "Formulating Basics" section on the website for prototype formulas, how-to's and more.

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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.

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Uniquely Stable Emulsions Revealed Through Freeze-fracture Transmission Electron Microscopy

Researchers investigated the structures and features of emulsions made with different emulsifiers via freeze-fracture transmission electron microscopy. Potassium cetyl phosphate formed more multi-lamellar spheres than other emulsifiers, and aggregated homo-domains on top of lamellar sheet surfaces and multi-lamellar spheres. These homo-domains are likely to be responsible for the excellent emulsion stability achieved.

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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.

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Combing Through Sun and Pollutant Effects on Hair

Trefor A Evans, Ph.D., institute fellow at TRI Princeton and long-time C&T scientific advisor, offers his insights on the latest developments in hair science and what they mean to the cosmetic formulator.

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Bioactive Botanical Restores Elasticity, Revitalizes Skin

As consumers become increasingly aware of sun damage and photo-aging, BASF addresses this market demand through a novel pathway, resulting in the reduction of fine lines and improved skin firmness.

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Let There be Light

New sunscreen forms like gels, sprays and wipes encourage consumers to keep using sun protection. What could possibly be next? How about giving consumers what they really want—their time in the sun and a nice tan. Coty's Marc Pissavini, Ph.D., explains how in this interview.

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Data Shows a New Day for Sun Care

The global sun care market is among the smallest personal care segments, according to Euromonitor figures. However, the business intelligence firm has forecast the global market to grow 6.4% to about $10 billion by 2018, with results roughly split between emerging and mature markets.

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SPF Tests Reveal No Ideal In vitro Substrate Exists

In vitro SPF measurements are challenged by reproducibility, repeatability and correlation with in vivo values. Here, the authors assess sunscreen adhesion to the test substrate support, since poor adhesion produces bad results. Surface substrates are characterized by functional group, charge, wettability and surface morphology. Eight w/o and o/w emulsions also are tested. Results indicate an ideal in vitro test substrate does not exist.

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Pick and Choose—Balancing Sunscreen Benefits: Sun Protection or Vitamin D?

It’s well-known that over-exposure to UV light is harmful to the body, yet it is vital for production of essential vitamin D. Understanding the balance between the benefits of sun protection and vitamin D synthesis is not yet well understood.

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How to Prove 'Rub-resistant' Sun Protection

Today’s consumers desire sunscreens that are not only more effective against UV radiation, but also provide water, sand, sweat and rub resistance. These authors propose a new in vitro test to assess and compare rub resistance factors, which they illustrate here by testing 20 sun care products.

Getting ‘Crazy’ with President Auderset

“Be crazy when you imagine new products,” Philippe Auderset, Ph.D., advises novice chemists. Though, with some 29 years in the industry, he’s got more than just crazy ideas up his sleeve. Read this interview to learn more about him—and from him.

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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.

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Sun Protection in Daily Products Alters Behavior

The boundaries between skin care and sun care have been torn down as consumers seek sun protection for its anti-aging effects just as much as they do its cancer-fighting aspects.

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Anti-aging Formulary

New product ideas abound from this Anti-aging Formulary, excerpted from our online Cosmetics & Toiletries Bench Reference.

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Patent Pick: Fragrance Duration—A 'Pressing' Issue

The pressure is always on for perfumers to develop means to extend fragrance duration from perfumes as well as personal care products. In this patent application, Unilever inventors take that pressure in a new direction: vapor pressure.

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