Testing | Cosmetics & Toiletries

A letter from the FDA to Valisure, dated Dec. 5, 2022, highlighted 'methodological deficiencies' and 'analytic descrepancies' in the company's testing.

FDA, Unilever and GSK Challenge Valisure's Benzene Findings, Test Methods

The FDA recently raised concerns over the test methods of Valisure, the Connecticut-based lab whose reports over benzene in sunscreen and dry shampoo products from Unilever, GSK and others have prompted recalls and class action suits.

A 2019 petition to the House of Commons stated, 'We, the undersigned residents of Canada, draw the attention of the House of Commons ... [that] animal testing is unnecessary to prove the safety of cosmetic products.'

After 8+ Years, is Canada Ready to Ban Animal Testing for Cosmetics?

In evaluating how different solvents may affect the rheology of personal care formulas, it is helpful to consider that different formulation types have distinct relationships between viscosity and elasticity depending on the factors generating their elastic properties.

How Natural Butylene Glycol Advances Market and Rheology Dynamics

Avon was acquired by Natura Cosmetics SA in 2020 and that year, the company removed talc from its products marketed in the United States — at a time it was defending nearly 130 talc lawsuits.

Avon Takes a $40 M Hit in Talc/Cancer Suit

The plaintiff, 76-year-old Rita Chapman of Scottsdale, Arizona, alleged that the use of Avon's talc-containing products tainted with asbestos caused her mesothelioma.

Skin Immunity: how to preserve it with cosmetics? Download the slide deck

Skin Immunity: how to preserve it with cosmetics? Download the slide deck

Skin is a complex organ and its biomolecules, structure, physico-chemical properties, immune and non-immune cells all act together to form the skin's immune system. Discover how to address skin immunity with Seppic ingredients.

This follows the company's recall on these products in November 2021; at that time, the company had not received any reports of adverse events following the use of these products.

P&G Pays Out $8 M in Benzene Settlement

The settlement benefits consumers who purchased Secret, Old Spice, Pantene, Waterless, Aussie, Herbal Essences or Hair Food aerosol antiperspirant, deodorant, body spray, dry shampoo or dry conditioner products between Nov. 4, 2015, and Dec. 31, 2021.

This review first assesses the methods used to quantify 1,4-dioxane in surface water and drinking water, then extends the assessment to more complex commercially available products.

How to Ensure Cleansers Comply with Growing 1,4-Dioxane Regulations

A recent review in the Journal of Surfactants and Detergents explores means of measuring 1,4-dioxane levels in cleansers in order to comply with increasing ppm restrictions set by various U.S. states.

Many of the allergens identified were fragrances and other botanicals, according to ScienceAlert, which have become a leading cause of contact dermatitis.

JAMA Letter Cautions: Most 'Natural' Skin Care Contains Allergens

A Research Letter published in JAMA Dermatology highlighted the prevalence of contact allergens in natural skin care in a study of 1,651 products on the U.S. market.

Studies have demonstrated that wild teasel could be a natural source of bioactive compounds, particularly phenolics and iridoids, and have confirmed its high potential for the cosmetic industry. For example, teasel features strong antioxidant activity, especially in leaf extracts

DNA Metabarcoding Tracks Traceability of Naturals: Wild Teasel Case Study

This study authenticates D. fullonum from raw material to final ingredient. It compares D. fullonum and D. sylvestris in a three-step study by: barcoding the raw material, metabarcoding the two extracts and bioinformatics processing.

The molecular richness of immature pericarps of Punica granatum was identified and extracted to develop a natural active that targets four biological components of acne. Its efficacy was investigated as described in this article.

Punica Granatum Pericarp Extract Takes Transversal Routes to Rebalance Acneic Skin

The molecular richness of immature pericarps of Punica granatum was identified and extracted to develop a natural active that targets four biological components of acne. Its efficacy was investigated as described in this article.

A jasmine-based skin care solution is described here to reduce this impact by activating gentle touch receptors and thereby improve well-being and skin integrity.

Jasmine Activates Mind/Skin Wellness Through Touch Receptor

A jasmine-based skin care solution is described here to reduce this impact by activating gentle touch receptors and thereby improve well-being and skin integrity.

Black women could be disproportionately affected, as 60% of participants who reported using hair straighteners self-identified as Black women.

Study Connects Hair Straightener Use to Incident Uterine Cancer

Hair straightening products could be linked to higher incidences of uterine cancer, a study of nearly 34,000 women in the U.S. recently found.

In the case of fluctuating PET results for w/o products, it can be useful to increase the number of samples to verify the results.

Determining Preservative Efficacy in W/O Formulas, Part II: Making Microbiological Safety Assessments

The relevance of microbiological tests for w/o formulas has been questioned, mandating a more holistic approach. This second article in a series examines the failure rate of PETs for w/o products but looks at why this does not mean insufficient stability.

This article describes an approach to demonstrate the moisturizing efficacy of an upcycled postbiotic ferment using a novel digital imaging system that captures changes in the skin surface upon treatment.

Microrelief x Capacitance Reveal Moisturizing Effects of an Upcycled Postbiotic in Hand Skin

This article describes an approach to demonstrate the moisturizing efficacy of an upcycled postbiotic ferment using a novel digital imaging system that captures changes in the skin surface upon treatment.