Recent in Testing (page 1 of 19)

A Sunny Proposition: The Effects of Sun on Hair

While not nearly as well-documented as skin, plenty of literature indicates the sun can have damaging effects on hair.

Alternative Safety Test Awarded DFG Animal Welfare Prize

Even before the animal testing ban, the cosmetics industry sought alternative test methods. In relation, the German Research Foundation (DFG) has awarded scientists for a cellular system they developed to replace the animal testing of neurotoxins for medical and cosmetic benefits.

SPF Testing: Who's Got Their 'Backs?'

"Isn’t it time for governments and industry to standardize an in vitro SPF test to replace human testing?" Karl Laden, Ph.D., of Alpa Cosmetics, asks in this brief commentary. What do you think?

Phthalates Study Raises More Concerns, ‘But Who Cares?’

It’s been a while since a cosmetic ingredient was slandered. To ensure we’re not letting you down, here’s a report on new study examining the negative impact of phthalates.

CIR Gives Certain Keratin, Polymers and More the OK for Safety

The Cosmetic Ingredient Review Expert Panel has made a safety determination on a number of chamomile, polymer, keratin and sulfate ingredients. Some are safe for use at certain levels while two HDI polymers still have insufficient data.

In vivo Delivery Confirmation: Measuring the Deposition of Salicylic Acid from Anti-acne Face Wash

Measuring the delivery of active ingredients is an important part of the product development process, and particularly desirable are non-invasive, in vivo methods. This work describes the use of fluorescence excitation emission matrices in vivo to measure the deposition of salicylic acid from anti-acne face wash products.

Wet Skin Factor for Sunscreens: An In vitro Method, Part II

Sunscreens designed for application to wet skin are popular in part due to convenience, skipping the drying step completely. In relation, these authors propose a new in vitro test to compare the wet skin factor of sun care products. Here, 20 products were tested and compared according to several conditions in order to define the best parameters for the method.

Wet Skin Factor for Sunscreens: An In vitro Method, Part I

Sunscreens designed for application to wet skin are popular in part due to convenience, skipping the drying step completely. In relation, these authors propose a new in vitro test to compare the wet skin factor of sun care products. Here, 20 products were tested and compared according to several conditions in order to define the best parameters for the method.

Heat Protection Getting Warmer: Specialty Silicones for Hair

The present study examines the ability of silicones to protect hair during heat styling, compared with other industry benchmarks and untreated hair. Also discussed are the mechanisms through which different silicones contribute heat protection in hair care products such as leave-in conditioners, serums and other product forms.

Nonreactive Paths to Internal Changes: Modifying Hair’s Structure from the Inside, Part 2

Scientific evidence suggests that nonreactive compounds have the ability to modify hair’s structure, providing formulators additional ways to craft products and worry less about hair damage.

Dry Heat Transdermal System Launched to Benefit Testing

To help test creams, lotions, ointments and patches, Logan Instruments Corp. launched DHC-6T, a dry heat transdermal diffusion cell system. With interchangeable glass volumes, this system helps keep Franz cells from breaking, among other beneficial features.

VIDEO: P&G Scientists on Claims Substantiation in Anti-dandruff Care

Head & Shoulders recruits an army to prove the benefits its brand delivers to consumers. Hear more in this video.

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