Thanks to the COVID-19 pandemic there’s a hand sanitizer shortage… and a ton of DIY hand sanitizer recipes. Will they actually work? (Spoiler: Most of them won’t.) I’ve made a video breaking down some of the good bad DIY hand sanitizer recipes out there. Key points: COVID-19 is caused by SARS-CoV-2 (novel coronavirus 2019). One…
How Bad Is Alcohol in Skincare, Really? The Science (video with KindofStephen)
Alcohol (ethanol, ethyl alcohol, SD alcohol or alcohol denat) is one of the most controversial ingredients in skincare. You might’ve heard that it speeds up aging, kills skin cells, and creates inflammation. But what do the studies actually tell us? Stephen (@kindofstephen) and I have been working on this topic for a long time, and…
Should you avoid aluminium in deodorants? The science
I’ve recently been approached by several natural deodorant companies to talk about the health risks of aluminium-containing antiperspirants. As much as I’d like that sweet sweet cheque… I can’t. Because the science just isn’t there. So instead, I’m going to debunk the aluminium scaremongering. (Note to deodorant companies: There are valid reasons to switch to…
Guide to Acne Patches: Hydrocolloid, Treatment, Microneedle (Video)
If you’re wondering what the difference is between all of the different acne patches around, and whether they even work, you’re not alone – I get asked this a lot, so I made a video about them! I was also itching for an excuse to use my microscope again, so there are some fun(?) closeups…
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