Biology

Recent in Biology (page 13 of 27)

Gauging UV Light Exposure to Reduce Vitamin D Deficiency

Vitamin D is critical to human health and the best source is from natural UVB light. However, contrary to the benefits gained are the well-documented damaging effects of sun exposure. In response, described here as a complementary approach to sun care is the development of an accurate gauge of UV exposure to produce optimum levels of vitamin D before sunburn results.

Consumer Perspective: Achieving an Even Skin Tone

Consumers are becoming more aware of the evenness of their skin tone, and it has become an important concern. Consequently, the primary focus of anti-aging skin care has shifted from reducing wrinkles to evening out skin pigmentation

Researchers Identify Antimicrobial Peptides in Odorous Frogs

Researchers from the Kunming Institute of Zoology and the Chinese Academy of Sciences have identified a number of antimicrobial peptides in odorous frogs.

Researchers Find Anti-inflammatory Benefits in White Tea, Witch Hazel and Rose

Researchers at Kingston University and Neal's Yard Remedies have reported that white tea, witch hazel and rose may hold antioxidant and anti-inflammatory benefits beneficial for treating skin aging and some inflammatory diseases

Comparatively Speaking: Microbiome vs. Metagenome

In this "Comparatively Speaking," Tony O'Lenick refers to Kelly Dobos to explain the difference between a microbiome and a metagenome, the understanding of which can lead to better understanding the anti-aging properties of ingredients and cosmetic products.

Human Skin and Ocular Flora: The Effect of Product Formulation, Part 1

This first of two articles reviews transient and resident microbial populations of the human skin and how they alter with age, environment and exposure to antimicrobial agents. Considerations for the formulator of how cosmetic products may affect and be impacted by normal human flora also are provided.

Eye Color Cosmetics and Contact Dermatitis

Following is an overview of research correlating, even at trace amounts, raw materials present in eye area color cosmetics with contact dermatitis.

Researchers Link DNA Repair Protein With Increased Skin Cancer

Researchers from the University of North Carolina at Chapel Hill have established a connection between a repairing protein and times of the day with an increased risk of skin cancer.

Assessing the Safety of Parabens: Percutaneous Penetration and Risk Analysis

In cosmetics, parabens are widely used due to their low cost and efficacy. In recent years, however, some reports have claimed that these materials exhibit estrogenic activity, which has led to attempts to replace them in formulations. This article reviews penetration studies of parabens spanning the past 20 years to determine whether they pose a risk to human health.

A Dermatological View—The Controversial Influence of Moisturizers on Skin Water Barrier

As is described here, moisturizers can influence the properties and structure of corneocytes by influencing the SC and consequently, the skin water barrier function. This hydrative influence of moisturizers could be beneficial as well as destructive toward skin barrier function.

Effects of Occlusive and Semipermeable Membranes on Wound Healing

Skin occlusion is a complex issue. Occlusion usually means the skin is covered directly or indirectly by impermeable films or substances, but certain topical vehicles that contain fats and/or polymer oils may also generate occlusive effects. They speed healing, but can also encourage the formation of bacteria. In the following excerpt, Zhai, MD, and Maibach, MD, review recent studies in various modes and methods of occlusion.

Researchers Connect FADD Protein to Skin Inflammation

Researchers from the University of Cologne, Ghent University and the German Sport University Cologne have identified the protein that may stop necroptosis in keratinocytes, thereby preventing skin inflammation.

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