Recent in Testing (page 3 of 20)

It'll Grow on You: Fully Functional 3D Skin Model

Blood, sweat and hairs ... a group of researchers from Japan have developed a skin transplant model that can create fully functional 3D skin transplants, complete with hair follicles and sebaceous glands, for replacing seriously damaged skin or as an alternative to animal tests.

How to Prove 'Rub-resistant' Sun Protection

Today’s consumers desire sunscreens that are not only more effective against UV radiation, but also provide water, sand, sweat and rub resistance. These authors propose a new in vitro test to assess and compare rub resistance factors, which they illustrate here by testing 20 sun care products.

Puberty and Parabens: New Study Cites 'Risk'

Teen girls may be at particular risk to chemicals such as parabens and triclosan used in cosmetics and personal care formulations, a study finds. However, this study, like many others is up for debate.

Laboratoires Expanscience Launches Slimming Ingredient

Laboratoires Expanscience introduced Macaline, its first cosmetic active ingredient with slimming properties including draining and firming.

Modifying Hair’s Structure From the Inside

Changing hair properties is a regular function of daily-use treatments. But what other methods can be used? Altering the hair’s internal structure may be the next way to achieve these changes.

Silab’s Mitokinyl Battles Urban Pollution

Silab has introduced Mitokinyl, an anti-pollution natural active ingredient, which fights damaging environmental stressers.

Sederma Ensures Baby Product Friendliness with Ingredient Testing

To ensure quality and safety for baby care products, Sederma performed required toxicological tests on four active ingredients.

New Sunscreen Allows Body to Produce Vitamin D

Researchers discovered altering ingredients in sunscreens allows the body to produce vitamin D, which led to a new sunscreen development called Solar D.

Coiffed Conundrum: Equating the Measurement of Hair Shine

Shine constitutes the ability for light to reflect off of surfaces. For consumers, perceived shine is indicative of healthy hair. For marketers, it is the gateway to hair product benefits claims. But how can shine be measured to support those claims?

Ranking Body Creams by Sensory Properties

Ranking descriptive analysis (RDA) is a sensory test from the foods industry. Here, it is applied to evaluate the properties of four body creams, and the results are compared with those of the well-known quantitative descriptive analysis (QDA) profiling. Findings suggest this technique could positively impact sensory testing for product development.

Ashland’s Ingredients Portfolio Advances Worldwide

Ashland integrated its research and development facilities across the world to measure the performance of its ingredients portfolio based on consumer populations in major markets.

Yield Stress Measurements for Personal Care Part II: Methods

The previous article defined yield stress and explained how to calculate the amount needed for a given application. Here, methods for measuring yield stress are compared by determining the values of two materials: a non-thixotropic acrylates copolymer solution, and a thixotropic body wash. The results provide recommendations for methods in terms of relevance, exactness and robustness.

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