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344 Results

Section: Testing

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Beating the Damaging Effects of Heat on Hair

Heat treatments are among the more popular methods for achieving straight hair, yet their high temperatures are quite damaging to the hair’s structures. Learn about the damaging effects and suggested solutions for repairing heat-damaged hair.

Analytical Device Raises the Bar on UVA-PF

A new UV transmittance analyzer has been designed to exceed Colipa's UVA protection factor (UVA-PF) requirements to support the development of higher protection factor sunscreens.

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Patent Pick: Progress on the SPF/UVA-PF Front

The sun was shining on Unilever inventors when they uncovered a new chemistry combination to improve SPF and UVA-PF factors for enhanced sun protection. A new patent application explains.

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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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The Body Shop Encourages Global Ban on Animal Testing

"The Body Shop passionately believes that no animal should be harmed in the name of cosmetics and that animal testing on products and ingredients is outdated, cruel and unnecessary."

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ZnO Nanoparticles Penetrate but Only Under These Conditions

Zinc oxide (ZnO) nanoparticles are a major component in sunscreens but their ability to permeate skin has remained undetermined. Recent work in Applied Biomaterials identifies the conditions under which they penetrate—notably, not in their nano form as they exist in sunscreens.

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Your Hair on Acid: The Influence of Carboxylic Acids

Carboxylic acids are growing in use to alter hair's properties from the inside out. This column explores the efficacy of these materials and presents possible explanations for their effectiveness.

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[podcast] EWG vs. the Industry on Cosmetic Ingredient Safety

On the surface, this seems like a story about an activist group stirring up unnecessary fear to target an "unregulated" industry. And a self-regulated industry allegedly putting dollars ahead of safety. But the reality is actually much deeper and philosophical in nature. Listen now!

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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.

Shaving And Its Effects On Percutaneous Absorption In The Skin

Shaving and its Effects on Percutaneous Absorption in the Skin*

Despite its being an area of concern for many years, the percutaneous absorption of cosmetics has not been rigorously studied. Additionally, the effects of shaving on this process are relatively unknown. An overview of recent research reveals that more research in this area is required.

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Assessing the Impact of Hair Damage Types on Color Retention

This article reviews and assesses damage types caused to hair before and after artificial coloration, i.e., by bleaching, perming, heat treatment, UV exposure and shampooing, to compare how they impact color durability individually and combined. Formulation emerges as the key to designing shampoos that efficiently deliver actives to improve color protection against these and other damage types.

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[video] Student Poster: The Effects of Blue Light on Skin

Lisa Stevens, of Azelis and the University of Cincinnati, explained her research on the effects of blue light in skin during in the most recent TeamWorks conference and exhibition.

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One Ingredient, Twice the Benefits for Pores and Age Spots

DSM has created a solution to benefit two skin problems at once. The company’s latest skin care ingredient helps eliminate facial pores and age spots simultaneously. Additionally, helps the skin look younger and improves appearance after the age of 30.

NICEATM Requests Info on the Murine Local Lymph Node Assay

The US National Toxicology Program (NTP), Interagency Center for the Evaluation of Alternative Toxicological Methods (NICEATM) has requested comments, nominations of scientific experts and submission of data on the murine local lymph node assay.

Assessing the Impact of Hair Damage Types on Color Retention

This article reviews and assesses damage types caused to hair before and after artificial coloration, i.e., by bleaching, perming, heat treatment, UV exposure and shampooing, to compare how they impact color durability individually and combined. Formulation emerges as the key to designing shampoos that efficiently deliver actives to improve color protection against these and other damage types.

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[video] This Device Analyzes Skin On the Go for Cosmetic Validation

An alternative to animal testing techniques, this handheld device noninvasively measures skin structure and quality for higher-efficiency cosmetic experiments.

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[podcast] The Smell of Success: P&G's Wilkerson on Consumer-acceptable Scalp Care

What's that smell? Not the infamous selenium. In this exclusive podcast, Rolanda Wilkerson, Ph.D., principal scientist at P&G, shares how the Head & Shoulders brand was re-formulated for consumer-acceptance, among other insights. Listen now!

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UK Seeks Data, Reports on Testing the Safety of Nanomaterials in Cosmetics

The UK's Office for Product Safety and Standards (OPSS) is calling for data and any scientific information related to assessing the safety of nanomaterials in cosmetics.

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