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Section: Cosmetic Ingredients > Actives

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Research Suggests a Need for After-sun Sunscreen

According to a report from Yale, the damage caused by UV radiation continues hours after the sun exposure occurred. In the described study, melanocytes generated CPDs both immediately and hours after UV exposure had ended. This may suggest the need for “evening-after” sunscreen, designed to block energy-transfer.

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Patent Pick: L'Oréal Steps Up the Sunscreen Game

Pop Quiz: What does it take to achieve a high SPF, high UV-A rated sunscreen within the U.S. FDA's sunscreen filter constraints? This isn't a game; it's the focus of a new patent application from L'Oréal. Read on to learn more.

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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.

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Sinapic Acid Esters Could Replace Octinoxate in Sunscreens

Research published in Antioxidants highlights a potential alternative to octinoxate for UVB protection and antioxidant effects: p-hydroxycinnamic esters from naturally occurring sinapic acid.

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Feel and Function: Attuning Attributes in Mineral Sunscreens

Formulators are increasingly being tasked with creating new sun care formulations based on TiO2 and/or ZnO. This paper will review and update current knowledge on how best to use inorganic sunscreens to develop effective and elegant sunscreen products.

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Zinc Oxide: The Naturally Sourced Broad-spectrum Sunscreen Ingredient

Today, zinc oxide is not a treatment for skin cancer, but used in a variety of wound healing and sunscreen formulations. It is the only sunscreen ingredient that is also recognized by the U.S. Food and Drug Administration (FDA) as a Category I Skin Protectant and is recommended for use on compromised skin.

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Don’t Count On Genetics, Sunscreens are the Best Bet

In a podcast with P&G scientists Frauke Neuser, Ph.D. and Rosemarie Osborne, Ph.D., Cosmetics & Toiletries learned about genetic studies in support of the Olay brand, and more. Following is an excerpt.

Sunscreen Regulations: Why 'Final' is Not the Right Word

Over the past 25 years, no category of “cosmetics” has seen change like sunscreens. This discussion reviews how current regulations have come to be, and looks to where they are headed.

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Suit Alleges Blue Lizard 'Mineral' Sunscreen Label is Deceptive

A proposed class action suit alleges Blue Lizard sunscreen's "mineral-based" label is misleading as it contains organic UV filters; namely octisalate and octinoxate.

Using Zinc Oxide in Sunscreen Products

While zinc oxide had been used for decades in sunscreen products — remember the white coating on lifeguards’ noses? — it was only approved for this use by the FDA approximately 10 years ago. Prior to that, it was actually considered to be (and still is) an approved skin protectant material.

UV Booster for Organic Sunscreen Actives

Croda has introduced a patented citrate ester demonstrating benefits in sun protection. The booster works with organic sunscreen actives to optimize absorption of the UVA spectra and prevent damage to the skin.

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Patent Pick: Sensory in Spray Sunscreen

Patent Picks are chosen by the editors from publicly available sources. Today's invention is a sprayable gel sunscreen with good feel properties from Honeywell International.

Controlling the Spreading of Sunscreen Products

Spreading control agents used in the formulation of topically applied drugs, especially sunscreens, provide a method to control dosage and improve effectiveness. These materials have recently begun to solve the problem of insufficient product application in actual use.

Sunscreen Innovation Act Passes House and Moves to Senate

New sunscreen actives may finally be on their way in the United States, as the Sunscreen Innovation Act (H.R.4250) passed the House of Representatives on July 28, 2014. The bill now goes to the Senate with the cosmetics industry eager to have it pushed through.

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Sunscreens and UV Exposure: A Q&A with Vincent Hubiche

Gattefossé SAS' Vincent Hubiche shared insight on how consumers need to be better informed with the amount of sunscreen they wear and the climate’s influence on sunscreen application.

Based on Solaveil Clarus technology that delivers a tightly controlled particle size distribution, Solaveil CT-60W is a titanium dioxide (TiO2) water-based dispersion that allows for high SPF claims with clarity on the skin.

Croda Launches High SPF and UVA Protection Sunscreen Ingredients

Based on Solaveil Clarus technology that delivers a tightly controlled particle size distribution, Solaveil CT-60W is a titanium dioxide (TiO2) water-based dispersion that allows for high SPF claims with clarity on the skin.

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Patent Pick: Skin-friendly Sunscreen Puts Toxicity in Check

Pierre-Fabre inventors sought to defend skin against not only UVA and UVB but their respective filters, which can sometimes cause skin sensitivity. A new patent explains.

Controlling Hydroxyl Radical Formulation in TiO2 Sunscreens

Titanium dioxide (TiO2) is an effective sunscreen agent but its rutile form may produce hydroxyl radicals upon exposure to sunlight. Thus, the authors use salicylic acid as a capture agent to examine the development of free radicals in solutions or creams containing TiO2. They also explain how the choice of emulsion may reduce free radical generation.

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