Special Offers & Promotions



Latest News



View Channel

New Products



View Channel

Video Presentations



View Channel

Separation Science



View Channel

Microscopy & Image Analysis



View Channel

Laboratory Automation & IT Solutions



View Channel


Stomacher contributes to on-going cosmetic product safety campaign

Laboratory blender ideal for both sample prep and small scale production of topical therapeutic and cosmetic products

Stomacher 80 microBiomasterSeward Limited has announced the application of its patented Stomacher paddle blender range in a newly developed analytical protocol for cosmetics product safety. Mercury in cosmetic products, such as face creams, has been illegal in the US and EU for many years, but its presence in imported products remains a potential problem. The hidden dangers of imported products contaminated with toxins has become a focus of public health professionals concerns. Consequently, researchers at San Francisco State University, California Department of Public Health and The FDA combined to devise test protocols for detection of mercury in imported face cream products1.

The method developed relies on the Stomacher® 80 microBiomaster to prepare standard samples to produce a calibration curve for a technique applying X-Ray fluorescence. Measured quantities of mercury sulphide were suspended in a Carbomer® 940 matrix, an emulsion designed to suspend particulate materials and homogenised using the Stomacher. The results of the programme fully support the methodology developed for product screening.

The Stomacher® laboratory paddle blender range is extensively used in cosmetic and pharmaceutical quality control and development. It has also been used in small scale production of topical therapeutic and cosmetic products in development projects. The familiar benefits of Stomacher blending with the sample contained in a sterile plastic bag and the blender never contacting the sample eliminates the risk of cross contamination. It also allows small scale batch processing without losing sample in the blender mechanism or producing aerosols. 

A full copy of the abstract is available on request at



Peter T. Palmer, San Francisco State University; Gordon Vrdoljak, California Department of Public Health; Richard Jacobs, Food and Drug Administration

If you have not logged into the website then please enter your details below.


Subscribe to any of our newsletters for the latest on new laboratory products, industry news, case studies and much more!

Newsletters from Lab Bulletin


Request your free copies HERE




Popular this Month

Top 10 most popular articles this month



Today's Picks



Looking for a Supplier?

Search by company or by product


Company Name:






Please note Lab Bulletin does not sell, supply any of the products featured on this website. If you have an enquiry, please use the contact form below the article or company profile and we will send your request to the supplier so that they can contact you directly.

Lab Bulletin is published by newleaf marketing communications ltd.


Media Partners


Exhibitions & Events