I’m a cosmetic chemist now

It’s been a few weeks but I realised I forgot to announce this on my blog: I’m now a qualified cosmetic chemist!  A lot of people assumed I was a cosmetic chemist and called me that in comments and interviews (understandable, since I’m a chemist and talk a lot about cosmetic chemistry), so instead of continuing my standard practice of feeling …

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Dealing with Misinformation + Error Reporting Form

donuts

Social media has been a blessing and a curse. On the one hand, experts (scientists, doctors etc.) can become far more prominent – on the other hand, misinformation endorsed by an expert carries more weight and causes more harm than if there’s no authority behind it.  Unfortunately, social media algorithms also reward churning out content quickly, regardless of accuracy. Hot …

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Wash your face with no sink + cleansing myths (with video)

I really hate washing my face over the sink – how it gets everything wet (sink, benchtop, sleeves, hair, front of my shirt), and how it takes a ton of effort to dump enough water on my face that I feel like I’ve thoroughly cleansed and rinsed away my cleanser. I generally end up washing my face in the shower, …

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How much UV does a REAL mineral sunscreen absorb and scatter?

sunscreen center mount

Warning: Very nerdy content ahead! If you’ve been following sunscreen discourse (apparently this is a thing now) you’ll know that mineral sunscreens mostly work by absorbing UV and only scattering a small amount, in the region of 4-5% across the range of UV. This was quantified in a pretty commonly cited 2016 paper by Curtis Cole, Thomas Shyr and Hao Ou-Yang, “Metal …

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Will Benzene in Sunscreens Give You Cancer? (with video)

In case you haven’t already heard, the 2021 edition of “This Anti-Cancer Product Is Giving You Cancer” is that there’s been benzene found in a bunch of sunscreens. How much should we be freaking out about this? I did an Instagram post on this already, but I thought I’d elaborate a bit more. The video is here on YouTube, scroll …

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