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

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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Are You Washing Your Face Wrong? Busting Cleanser Myths

cleansing emulsification

I recently asked on my Instagram stories about cleansing myths, and I got back tons of replies! So here’s some cleanser mythbusting – unfortunately I couldn’t fit them all in this one post, but there’ll be a follow-up soon. A word of warning before we begin: the answer to a lot of these is going to be “it depends”. I …

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My Favourite Sunscreens: 2021 Update

sunscreen connoisseur

As a sunscreen connoisseur who tries out a lot of sunscreens, it always feel premature to make a list of my favourites. I try a lot of sunscreens but I feel like I can never get through as many as I’d like, because unfortunately I have just the one face. I did a list of my favourites at the end …

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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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