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340 Results

Type: Article

Section: Testing > Method/Process

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Cold Stress Damage, Banished: Daphne odora Extract Improves Skin Moisture and Healing

Cold stress can affect the integrity of the skin. In relation, compounds synthesized by plants under environmental stress have been characterized for their protective effects; although limited data relates to cold stress. This article explores an extract from Daphne odora cell cultures to address cold stress-related damage including dryness, cutaneous micro-lesions and inflammation.

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Comparatively Speaking: Gene vs. Protein Expression Studies

What is the difference between gene and protein expression studies to evaluate the efficacy of cosmetic products? Nava Dayan, Ph.D., explains in this edition of "Comparatively Speaking."

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Australian Chemical Reform in Action

The Australian government released a proposal to change its national chemical notification scheme earlier this year, which will include a ban on animal testing. Interestingly, it allows for risk-based regulation.

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Micropatterning Plus High Content Assay for Skin Research, Explained in Brief

What can high content screening, combined with micropatterning, tell researchers about the efficacy of a cosmetic active? Better yet, what are these techniques? Here, Luc Selig, Ph.D., CEO of CYTOO, explains.

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The Nagoya Protocol in Action

The Nagoya Protocol is led by three main objectives: the conservation of diversity, the sustainable use of materials, and the fair and equitable sharing of benefits arising from use of these genetic resources. This overview provides greater detail.

Ones to Watch: Hakan Sevinc

"Ones to Watch" is a series from Cosmetics & Toiletries featuring up-and-comers in and around our industry who have limited experience, but unlimited potential. This month meet Hakan Sevinc of B'iota Laboratories.

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Are Your Sunscreens Infra-ready? New In vitro Method Puts Data Behind the Claims

Considering more and more sun care products are claiming infrared (IR) protection, it is important to standardize the parameters by which they are evaluated. Since IR-A and IR-B are the most implicated in skin damage, a test method was developed based on these wavelengths, as described here.

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Learn More About Skin Derived Models and Services

BioreclamationIVT is a worldwide provider of biological specimens and in vitro products and services. Look to us for in vitro assay services and tissue-derived models for toxicity, skin disease, and other personal care R&D research.

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In the Mind's Eye: Color Science to Expand the Multicultural Palette

In recent years, the demand for multicultural cosmetics has grown, putting pressure on formulators to extend the shade range of product offerings. The present article reviews the basics of color science, pigments and formulation concepts to support developers for this segment.

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New Ideas on Hair Breakage: Mending Existing Flaws

Our historical beliefs as to the causes of hair breakage have been largely shaped by findings from testing approaches. More recently, an alternate mechanical testing technique, fatigue testing, has been changing our perspective on this topic.

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Breakthrough Natural Active Delivers Anti-Redness, Anti-Inflammaging Potency (VIDEO)

For sensitive and reactive skin, harsh elements like the cold, heat and dry winds can lead to damaged skin. Click to watch the video.

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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.

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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.

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Plant Cell Culture Explained (video)

Skin stem cells, plant stem cells, plant cell culture (PCC) … while reading on these topics, it can rapidly become confusing ... leaps are easy and frequent. Let’s have a look at how plant stem cells, through the PCC technology, can be a successful approach combining sustainability and innovation to produce cosmetics of the future.

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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.

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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.

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Depth Perception: FTIR Reveals Devices Deliver Actives and Hydration Deeper

The deposition, delivery and penetration of actives are key to the success of skin care products and consequential to their efficacy. This paper explores ATR-FTIR imaging to compare the penetration of actives into skin via two application methods and their impact on skin hydration.

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3 Skin Sensitization Tests to Meet the EU Mandate

The EU Cosmetics Regulation requires skin sensitization to be determined through non-animal methods. Here, the pathways for skin sensitization are reviewed, three non-animal tests are described in brief, and their combination with one another, followed by human assessment, are explored.

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