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Section: Research > Literature/Data

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.

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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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Sunscreens May Release Metals, Nutrients Into Seawater

Sunscreen ingredients' impact on marine ecosystems is in the spotlight. Research in Environmental Science & Technology examines if and how sunscreens release various compounds into seawater, and their potential effects.

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Sunscreen Symposium Day Two: Diverse Outlooks Engaged

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.

The resulting composition is anhydrous, transparent and esthetically pleasing.

Patent Pick: J&J Boosts Sunscreen Transparency, Esthetics

Johnson & Johnson (J&J) has been issued a patent for identifying a silicone, ethanol and UV filter balance that improves the transparency and esthetics of sunscreens. The key? Miscibility.

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Patent Pick: High-SPF, Low-filter Sunscreen

Patent Picks are chosen by the editors from publicly available sources. Today's highlight, from Unilever, is a sunscreen composition that provides high protection with low levels of UV filters.

This article considers options to provide effective UV protection that checks all the boxes, including modern sunscreens restricted by regulations, ingredient mandates and texture preferences.

Formulating Forum: The Challenge of Trending Sunscreens

This article considers options to provide effective UV protection that checks all the boxes, including modern sunscreens restricted by regulations, ingredient mandates and texture preferences.

Blocked indole-5,6-quinones (IQs) are said to be precise and tailorable molecules that can offer a bottom-up understanding of properties in eumelanin and have the potential to advance the design of melanin-inspired materials.

Melanin Insights Could Drive Ultra-protective Sunscreens

McGill's Department of Chemistry, in collaboration with Ohio State University and the University of Girona, has identified an approach to stabilize indole-5,6-quinone (IQ), an implicated biosynthetic intermediate and subunit of eumelanin.

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Sunscreen Extreme: Are We Filtering Too Much?

Research has confirmed, and consumers now know, that sunlight is a skin carcinogen. But is it all bad? Sunscreens block photochemical reactions in skin that provide important health benefits. As such, balance is needed. Click through to read more in our April digital edition.

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Patent Pick: L'Oréal Matches Sunscreens to Skin Tone

Inclusive beauty and customized color cosmetics are combined to create skin tone-matching sunscreens in a recent L'Oréal patent application.

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Stirring Debate: Methylene Blue for Reef-safe Sunscreens?

Methylene blue was previously covered for its potential as an alternative "reef safe" sunscreen. This stirred some debate among readers, as the following excerpts from their comments reveal. See what you think.

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Patent Pick: Fullerene Sunscreens for Next-gen Protection

Simplify, simplify, simplify. Poetic words on life from Thoreau, and a more recent edict from consumers—for product labels, that is. This notion is echoed by researchers at the Cleveland Clinic Foundation, in a new sunscreen patent application.

From Self Tanners to Sunscreens as Skin Protectants

Activities of hydroxyproline: Kobayashi et al. review the manufacture and physiological activities of hydroxyproline.

Previous studies have shown that curcumin can decrease sunlight-induced inflammation, damage to human skin cells and the expression of sun-induced collagen destroying matrix metalloproteinases (MMPs).

Curcumin Nanoparticles May Be Viable Adjuvant for Sunscreen

Mice pretreated with curcumin nanoparticles had less erythema and inflammation, decreased apoptosis and less p53 expression following exposure to UVB than those in the control group.

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Amorepacific Invents Transparent Inorganic Sunscreen

A recent innovation from AmorePacific is an entirely novel approach to reflecting UV and visible light that uses an optically transparent film containing hollow micro-sized spherical silica particles.

L'Oreal's winners represent fields of research focused on pollution, psoriasis and more.

From Pollution to Psoriasis: Meet L'Oréal USA's 2016 Women in Science Fellowship Winners

Program awards $60,000 grants to female scientists to advance their postdoctoral research.

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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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