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Section: Testing > Method/Process

Non-Invasive Measurement of Epidermal Proteins for Psoriasis and Skin Care*

Abnormal epidermal turnover in psoriatic skin impairs its barrier function and tissue repair capabilities. Therefore, studies of hyperkeratinization and hyperproliferation have been conducted to better understand the disease. Here, the administration of heavy water and a tape-stripping method are used to measure skin protein turnover in psoriatic skin and surrounding tissues. Results demonstrate benefits over other proliferation measurements.

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CBD in Effect: Correlating In vitro and Ex vivo Skin Benefits

Primary biological functions of the skin barrier, immune system, lipids, free radicals and extracellular matrix are, in fact, impacted by CBD, as a poster and podium presentation by Genemarkers at SCC Annual demonstrated.

Determining Korean Consumers’ Degree of Exposure to Lipstick and Face Creams

This study describes methods used in a Korean study to calculate consumer exposure to lipstick and face creams. The average amount applied daily was estimated and compared with data collected by weighing containers before and after use. The data collected was 1.8 to 1.6 times greater than the estimate, so although the survey represented real use patterns, the actual data was more accurate.

A Rapid and Sensitive In vitro Method to Ascertain Antioxidative Capacity*

New methodologies have recently been developed to determine antioxidant effects but they often require extensive training and are time-consuming to conduct. In the present article, however, the authors describe an in vitro method to detect the effects of antioxidant-containing formulations using photochemiluminescence to provide rapid, accurate and sensitive measurements.

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[video] Cosmetics R&D Vlog: Sensory Experience and Clinical Efficacy—Testing Insights

In this Cosmetics R&D Vlog entry, Rachel Grabenhofer, of Cosmetics & Toiletries, gained insights from Celine Marque and Cyril Messaraa, two testing experts of Ori-Derm/Oriflame, on sensory and clinical testing today—and in the future. Watch now.

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2 Winners and 4 Finalists Shine in 2023 Cosmetic Victories Competition

Cosmetic Victories finalists included a human skin model, natural senolytic ingredient, photoactivable algae derivative for anti-acne effects, a palm oil alternative and both in vitro sunscreen ecotoxicity and contaminant testing. See who won.

Texture Analysis to Select Packaging and Formulate Hair Care Products

Texture analysis provides quantitative information about a material’s response when deformed by a controlled force. Examples illustrate the use of a texture analyzer to evaluate shampoo extrusion, hair spray film toughness, hair spray tackiness, styling wax hardness and aerosol canister deployment.

Liquid Crystals in O/W Emulsions with Urea: Development and Testing

Using a ternary phase diagram, the authors developed systems based on nonionic surfactants, light paraffin oil, water, and (optionally) urea. Systems in which lamellar liquid crystals formed and in which urea was an ingredient showed higher occlusive power and lower TEWL in in vitro tests.

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J&J Points to Collaboration and 6 Areas for Future Growth

“We need to openly publish our scientific data and challenge each other to progress,” said J&J's Josh Ghaim, Ph.D., during the IFSCC 2016 Congress. “We can then align standards and simply let the competitive technologies and products speak for themselves.”

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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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Safeguarding Squalene: Lemon Myrtle Antioxidant for Pollution Protection and Oleostasis

Squalene becomes easily oxidized when exposed to pollution and UV radiation, which promotes skin inflammation, the production of poor-quality sebum, comedogenesis and wrinkling. Lemon myrtle leaf extract neutralizes squalene oxidation and can protect all ethnic skin types from environmentally induced oily skin, restoring oleostasis.

ICCVAM and NICEATM Hold Meeting on Endocrine Disruptor Test Method

ICCVAM and NICEATM will hold a peer review meeting on March 29-30, 2011, for an in vitro test method that determines if chemicals are endocrine disruptors.

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What's Next: Cosmetics & Toiletries 2019 Calendar and Call for Papers

In 2019, Cosmetics & Toiletries looks to you for insights on skin radiance, anti-pollution, hair repair, skin sagging, microbiome, bespoke beauty and more. Announcing our new editorial calendar—submit now!

Researchers Dig Deeper Into Relationship Between Bacteria and Atopic Dermatitis

Researchers from the Drexel University College of Medicine have established a clearer relationship between Staphylococci bacteria and the conditions atopic dermatitis (AD) and eczema.

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[video] Cosmetics R&D Vlog: How Fragrance Inspires Emotion and Wellness

Perfume can tap into deep consumer emotions to elicit happiness or tranquility and help them through today’s COVID-19 reality. Daniela Garcia, ésika Executive Brand Director for Belcorp Latin America, explains how, with this look at the company's recent research.

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[video] Cosmetics R&D Vlog: Testing Color Retaining Shampoos and Conditioners

In this Cosmetics R&D Vlog entry, Michele Behrens, of Cosmetics & Toiletries, gained insights from Sabina Wizemann, senior chemist at the Good Housekeeping Institute, about the company's product testing and which products performed the best.

More than 200 posters were presented on skin biology, hair strength, formulation technologies, epigenetics, skin sagging, anti-acne and more.

Alphorns, Cowbells, Magic and Gaming at IFSCC Zurich, part III

The 23rd IFSCC Congress, held Sept. 21-23, 2015, reported “more facts and less illusions” to some 550+ delegates from across the globe at the forefront of cosmetic product innovation.

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Hair Color Vibrance Factor to Characterize Shine and Color Intensity*

To evaluate the comprehensive effects of shine and color intensity in hair, a hair color vibrance factor has been developed to enable new claims for hair dye formulas and after-dye treatments. Experimental results described here show how varying the ingredients in shine spray and hair dye formulas affect this factor and correlate with subjective panelist assessments.

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