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Section: Testing

From 2013-2020, advisor and columnist Trefor Evans, Ph.D., wrote the column series, 'Testing Tactics in Hair' for C&T, which is treasure trove of information for those working in the hair care space. Following is an index, complete with links.

'Testing Tactics in Hair' Column Series — An Index of Works by Trefor Evans, Ph.D.

From 2013-202, adviser and columnist Trefor Evans, Ph.D., wrote the column series, "Testing Tactics in Hair" for Cosmetics & Toiletries, covering methods to measure damage, treatments, claims and more. This is an index of his works.

Article Download: Evaluating Hair Conditioning With Instrumental Combing

Download the complete article here.

To provide a natural solution for sensitive skin, a hyperbranched dextrin was developed and tested for soothing and protective effects. The absence of adverse effects on the microbiome also was assessed by a third party, with promising results.

Hyperbranched Dextrin for Soothing, Microbiome-friendly Skin Care

To provide a natural solution for sensitive skin, a hyperbranched dextrin was developed and tested for soothing and protective effects. The absence of adverse effects on the microbiome also was assessed by a third party, with promising results.

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Consistency of Vaselinum Album and Flavum - Hollow Cone Method (EU Pharmacopeia)

The penetrometer PNR 12 is suitable for consistency measurements required in the pharmaceutical industry. Various test kits are available for different pharmaceutical products and standards like the official WHO method European Pharmacopoeia 2.9.9.

Transdermal microneedle patches enable active ingredients to bypass the slow diffusional process across the stratum corneum’s barrier to reach directly into the deeper skin layers.

How Dissolving HA Microneedles Change Before/After Application

Dissolvable microneedles have gained popularity to overcome the skin barrier and deliver actives. Here, SEM was used to evaluate changes that occur to microneedles upon application. The results could provide claims and regulatory classification insights.

All updates were effective immediately upon release except the revised test methods, which are scheduled to come into force on March 1, 2024.

China Updates: Benzene Limit, 19 Test Method Revisions, Benvitimod/Tapinarof Ban

China’s National Medical Products Administration (NMPA) recently issued Notice No. 41, limiting benzene impurities in cosmetics, revising five and adding 14 test methods, and banning the tapinarof skin treatment for psoriasis.

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'Eleven states and 44 countries already slammed the door shut on new animal testing for cosmetics. In fact, the U.S. is essentially the only country in the North America that hasn’t passed legislation to end it.” said Sara Amundson, president of the Humane Society Legislative Fund.

US Moves a Step Closer to Banning Cosmetics Animal Testing

“Cosmetics testing on animals is cruel, unnecessary, and outdated, and Congress should finally put a stop to it."

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Are Your Formulations Affecting DNA Methylation?

Determine how active ingredients and finished formulations impact DNA methylation produced by stressors such as UV, blue light and diesel particulate matter with DNA Methylation Services from Genemarkers.

The present study examined the effects of commercially available jojoba esters in liquid, natural jojoba-like form in three studies measuring irritation mitigation, skin hydration and soothing properties.

Jojoba Oil Esters Ease Inflammation, Sensitivity and Water Loss from Skin and the Environment

Water scarcity has become a major concern and jojoba is known to flourish under controlled low water conditions. As such, jojoba wax esters were explored for skin care to reduce inflammation and sensitivity and to provide hydration over a 24-hr period.

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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.

While the company stands by its science, it is ending the global sales of baby powder containing mineral starch and switching to a formula based on corn starch,

$18.8 M Payout in J&J Talc Lawsuit Could Upset Settlement Offer

The ruling could sway individuals in the tens of thousands of other cases to also pursue claims in front of a jury, pressuring the judge overseeing the settlement case.

Canada will now join more than 40 jurisdictions and major markets that have already passed laws to end or limit cosmetics animal testing and/or sales.

Canada Officially Bans Animal Testing for Cosmetics

On June 22, 2023, Canadian officials passed measures through the Budget Implementation Act, Bill C-47, prohibiting the sale of cosmetics that rely on new animal testing data to establish product safety.

'Canada's legislation is expected to pass soon and, when it does, the United States will be the only country in North America without a national ban on animal testing for cosmetics.'

Canada Commits to End Animal Tox Testing While MoCRA Misses the Mark

Bill S-5 in Canada has passed with royal assent to end animal testing for chemical toxicity; cosmetics are expected to be next. Meanwhile, MoCRA in the U.S. missed the chance to address this major industry issue, one source critiques.

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[podcast] The Bigger Issue Behind Microbial Contamination

Many cosmetic recalls in the U.S. relate to microbial contamination but not for the reason you might think. Here, experts from the Univ. of Cincinnati and PCPC explain why it's more than alternative preservatives to blame. Listen now. It's free.

The bigger impact is that concerns over the potential endocrine-disrupting effects of bisphenols will no doubt put other cosmetic ingredients with the same alleged effects front and center (again), drawing interest from regulators.

Endocrine Disruptors in the EU, SCCS Opinions and NGO Pressure to Crack Down

From November 2022–February 2023, organizations in seven European Union member states tested 121 products and found bisphenols of high concern in 47 of them, per Chemical Watch. NGOs are urging regulators to impose stricter regulation on all bisphenols.

RIFM has submitted Safety Assessments covering approximately 200 materials for peer review, totaling 1,700 now or soon to be available.

RIFM Publishes Assessment of 1,500th Fragrance Material Marking Major Milestone

RIFM has submitted Safety Assessments covering approximately 200 materials for peer review, totaling 1,700 now or soon to be available.

The guides are regularly revised to incorporate the progress of scientific knowledge in general and the experience gained particularly in the field of testing and safety evaluation of cosmetic ingredients.

11 Changes to SCCS Guides for Cosmetics Safety Testing — Plus a Note on 'Nano'

The European Union's (EU's) Scientific Committee on Consumer Safety (SCCS) recently updated its notes of guidance (NoG) for cosmetics and cosmetic ingredient safety testing, emphasizing alternatives to animal testing and more.

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