The festive season around the turn of the year is the time of wishes and resolutions. So, this seems to...
In the first two Sweep-the-Sun columns in summer 2022, we looked at the revised ISO 24444:2019 Gold standard and at...
In the first Sweep the Sun column we looked at the revised ISO 24444:2019, the Gold standard in SPF-testing. Practically...
By Uli Osterwalder Over the past two years, I have described the SPF test method and its alternatives several times....
When I say “Nano means Big”, I do so in reference to UV filters. Of course, I am not contesting...
In the first Sweep the Sun columns we looked at the Gold Standard ISO 24444:20191 and the possible alternatives that...
More and more consumers ask if sunscreens are safe. This question boils down to safety assessment as the European Union...
Background A key challenge in formulating sunscreens is deciding on the UV filter platform, as recently described by Hanay and...
There is a trend towards more transparency in cosmetics, e.g. by sharing EXTRA ingredient list information not required by law,...
In this column we will discuss how good intentions can lead to unintended consequences. To set the stage, ChatGPT (OpenAI,...
The first Sunscreen Simulator was developed and made available on the Internet by Ciba Specialty Chemicals in 2002. In the...
This is the first edition of Sweep the Sun. Let me explain what qualifies me as a writer of a...