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Section: Cosmetic Ingredients > Actives

A Review of Current Sunscreen Formulation Techniques and Technology

The author reviews several sunscreen formulations currently on the market and discusses their effectiveness and formulation strategies.

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Future Testing, Safety and Formulating Headline the Sunscreen Symposium

"I am convinced the earth-shattering event [in sunscreens] will eventually become the greater awareness for the big difference between SPFindoor and SPFoutdoor," writes Uli Osterwalder, regarding new findings at this year's Sunscreen Symposium.

Sunscreen Innovation Act Passes House and Moves to President

New U.S. sunscreen actives are potentially within reach, as the The Sunscreen Innovation Act (S. 2141) by passed the U.S. House of Representatives and will be sent to President Barack Obama for his signature and enactment into law.

BASF Assists in Developing Sunscreen for Tanzania's Albino Population

BASF has assisted the Tanzania's Regional Dermatology Training Centre (RDTC) in developing a sunscreen for people in the area with congenital pigmentation disorder, or albinism.

Research has shown that methylene blue could be an effective alternative to organic sunscreens alleged to cause coral damage.

Research Marks Methylene Blue as Effective Coral-safe Sunscreen

Research suggests methylene blue could serve as an effective UV filter alternative to organic sunscreens alleged to cause coral damage.

'...There is currently insufficient relevant and reliable scientific data to conduct realistic ERAs and there is not enough scientific data to support sunscreen ingredient bans,' wrote the Personal Care Products Council (PCPC).

PCPC on NAS Report: 'Not Enough Data to Ban Sunscreens'

The Personal Care Products Council has released a statement responding to the National Academy of Sciences Report, "Review of Fate, Exposure, and Effects of Sunscreens in Aquatic Environments and Implications for Sunscreen Usage and Human Health."

This study was meant to compare the photoprotection of organic sunscreens that are formulated with antioxidant combinations against VL+UVA1-induced effects. The efficacy was compared with a commercially available tinted sunscreen.

Antioxidant-rich Sunscreens Protect Against the UVA1 + Visible Range

A recent study assessed the photoprotection provided by organic sunscreens formulated with antioxidants against visible light (VL) + UVA1-induced effects.

Mara Sea Kale Sunscreen Serum

Mara Offers Skin GlowDefense with Sea Kale Sunscreen Sérum

Using GlowDefense technology, this sunscreen serum works to protect and hydrate skin with its lightweight formula consisting of algae, zinc, blue sea kale and hemp seed.

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Formula Focus: Mineral Waterless Sunscreen SPF 50

This editor's pick from The Hallstar Company is a waterless, water-resistant and preservative-free formulation designed to provide SPF 50.

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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.

Solaveil Mic No Sunscreen Line

Croda Invests in Entekno, Unveils Solaveil MicNo Sunscreen Line

Having invested £1.5 million in Entekno Materials, Croda has become a minority shareholder as well as the company’s exclusive route to market for the personal care industry.

Photostability Test for Additional Sunscreen Claims, Part III: New Claim

Proposed here is an in vitro method, based on UV transmission measurements at two irradiation doses, to test and rank sunscreens based on their photostabilities. This approach was used to assess some 107 sunscreens and shows how, by strictly controlling key parameters, comparisons between the photostabilities of products can be made, with potential for new label claims.

Photostability Test for Additional Sunscreen Claims, Part I: Protocol Setup

Proposed here is an in vitro method, based on UV transmission measurements at two irradiation doses, to test and rank sunscreens based on their photostabilities. This approach was used to assess some 107 sunscreens and shows how, by strictly controlling key parameters, comparisons between the photostabilities of products can be made, with potential for new label claims.

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Improving the UV Exposure of Sunscreen During In vitro Testing

In any sun protection evaluation method, an irradiation step is required to determine the photostability of the UV filters in a product. The aim of this study was to identify key parameters involved to improve this UV exposure. Here, the authors consider temperature at the substrate surface, air flow influence and beam uniformity during UV exposition.

Sun protection is becoming established as a mainstay in consumer regimens. So how might the industry push the envelope when it comes to sunscreen innovation? A quick patent search provides clues.

Kynurenines, Layered SPF, Red Algae and More: Sunscreen Patent Roundup

The Universities of Princeton and Utah, L'Oréal, Unilever, Kolmar Korea, Athena, Shiseido, Murata Manufacturing, LG Household & Health and Beiersdorf, among others, have recently published patents related to sunscreen innovation. Following is a roundup.

Depiction only; not actual product

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.

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.

Coated Inorganic Filters For Elegant And Protective Sunscreens

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.

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