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[podcast] Senescence to Understand Aging in Hair

Aging is a common denominator across not just cultures but substrates. Here, Alison Pawlus, Ph.D., of Aveda, describes a test based on cell senescence to measure the effects of aging in hair and identify ways to mitigate them. Listen now!

Truth in Exposure: Disparity Dictates Product Safety

How often do you relax your hair? or color it? Clearly, some consumers are exposed to given products more than others based on preferences or practices. A new study points to this fact as a crucial component for regulators to consider when determining ingredient safety.

Tomatoes Linked to Decreased Skin Cancer Risk

Tomatoes may be the future of skin cancer prevention, according to new research in Scientific Reports. A study found that the carotenoids in tomatoes have the potential to protect against UV light.

[podcast] Half Megapixel Limit: A Wider Angle Will Enable Better Microbiome Care

"Tools for sampling and sequencing continue to advance," says Larry Weiss, M.D., AOBiome. "16S is the basis for which we look at phylogenies ... [but] do you remember when your phone had like a half a megapixel camera? That’s sort of where we are today."

How Damaged is Hair? Part III: Better Defining the Problem

By identifying elements at the heart of technical issues in hair, product developers will uncover options to consider for improving its health and appearance. Completing our three-part series, this final piece on hair damage provides insight on new ideas and strategies for problematic hair.

When the Dust Settles: Keratinocyte Differentiation is the Anti-pollution Solution

This article describes in vitro, ex vivo and in vivo models to examine the effects of PM in skin, with particular interest in a botanical extract to mitigate the described effects. Urban pollution including particulate matter (PM) can affect the skin barrier by inducing numerous cell stresses.

Australia to Ban Animal Testing on Cosmetics

The bills that will dictate regulatory framework are currently before parliament.

JAMA Calls Out Cosmetics

Adverse event reporting has been the cornerstone of cosmetic safety oversight. Is it an effective system, or do new products warrant new tactics? A recent report takes a closer look.

New Data Supports Photo-Aging Active

Lipoid Kosmetik wants its customers to know their ingredients are valuable and truly efficient. The company has new data to support one of its botanical active's with results stemming from in vivo testing.

[podcast] Is Anti-pollution Care Really Relevant in Hair?

Some experts are skeptical over the prospects of anti-pollution care for hair, but not Erik Schulze zur Wiesche, Ph.D., of Henkel. As he describes in this exclusive podcast, the damage is real, measurable—and rectifiable. Listen now!

How Damaged is Hair? Part II, Internal Damage

This article is part II in our series on hair damage. It explains the internal cortex structure of hair is not easily visible, and that various mechanical tests can yield different conclusions. Here, tests are described that can show changes to the internal cortex structure and their impact on hair’s mechanical properties.

Making Hair Loss History: Native Polyphenols to Kick-start Hair Regrowth

Research has shown the deregulation of two major hair follicle cell types are involved in androgenic alopecia: human fibroblast dermal papilla cells (HFDPc) and outer root sheath cells (ORSc). This article explores the effects of an active blend containing dihydroquercetin glucoside and epigallocatechin glucoside to stimulate ORSc and HFDPc, in turn reversing hair loss.

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