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Recent in Testing (page 1 of 29)

SPF 100+ Efficacy Put to the Test in ‘Actual Use’

Recent research in Journal of the American Academy of Dermatology sought to find out if, when used under conditions that users typically apply sunscreen, SPF 100+ products provided higher protection than their SPF 50+ counterparts.

Q&A: How Do Conventional and Accelerated Preservative Tests Compare?

"How do accelerated and conventional preservative testing compare? What can each measure?" This reader inquiry led us to John Yablonski, of BioControl, who provided the following answer.

Words from Wiechers: Much Ado About Nothing

In this edition of the Words from Wiechers series, the late author explores product and ingredient claims, placebo studies and test designs to ensure claims are accurately substantiated.

[video] Big Step Forward for Anti-pollution Claims

New methods have been developed to test for anti-pollution efficacy in vitro and in vivo, to substantiate anti-pollution claims. Jean Krutmann, M.D., provided insight on this topic during the recent IID conference. Watch now!

[podcast] Naturals and Synthetics: On Even Ground?

Burt’s Bees may be best known for its lip balm but things are about to change; at least, if Celeste Lutrario, vice president of research and development for the company, has it her way.

Stroke of Genius: Successive Combing Force Yields Realistic Conditioning Results

Combing tests are widely used to characterize the conditioning performance of products at one snapshot in time. A successive combing force device was designed to more realistically simulate the entire shampooing and conditioning process. Here, the authors put it to the test.

Body Talk: Defining Volume, A Technical Dissertation on Hair Body and Volume

Consumer definitions of hair volume and body differ from their scientific counterparts, while both remain vague. This column discusses challenges concerning the study of hair volume and body, including the influences of hair coloring and styling.

[video] Skin Whitening Market and Research Insights

The skin lightening market is expected to reach US $24 billion by 2027. However, the market could face limitations due a lack of clinical efficacy evidence. As such, research including that demonstrated by Amway, in this video, will be crucial to keep the momentum moving.

MilliporeSigma Launches Fragrance Allergen Test Calibrants

MilliporeSigma has introduced two ready-to-use certified reference material mixtures suitable for use as calibrants for the new IFRA fragrance allergen test method.

Scale-up Success: Untapping the Potential of Computational Fluid Dynamics

Scaling up cosmetic products to manufacturing facilities is a common cause of formulation difficulties. Computational fluid dynamics offer a means to model and troubleshoot potential problems in advance, and could become a standard tool to reduce production costs.

Countering P. acnes: In vitro Approaches to Anti-acne Testing

Acne is thought to be caused by the Propionibacterium acnes (P. acnes) bacteria, with widespread effects. The assays described in this article may provide a starting point with which to screen novel materials to treat the condition.

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