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Do We Need to Worry About Heat From Sunscreens? (with video)

January 18, 2021 By Michelle Leave a Comment

Do We Need to Worry About Heat From Sunscreens? (with video)

One of the big misconceptions about sunscreens is how they work, in particular chemical and physical sunscreens. All sunscreens work mostly by absorbing UV and converting it to heat. I’ve talked about this a whole bunch of times before, and I recently did a deep dive about the mechanisms behind how chemical and physical sunscreens…

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Filed Under: Analysis, Science, Skincare, Video

How Do Sunscreens Work? The Science (with video)

January 10, 2021 By Michelle 2 Comments

How Do Sunscreens Work? The Science (with video)

I’ve had a lot of people ask me to explain the nitty gritty behind how sunscreen ingredients work. I warned everyone it would be super nerdy and really quite complicated, but a lot of people said it was fine… so here it is: the deep dive into how sunscreen ingredients work! A warning: this goes…

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Filed Under: Analysis, Science, Skincare, Video Tagged With: science, skincare, sun protection, video

Period undies review: Modibodi and Bonds

January 3, 2021 By Michelle 11 Comments

Period undies review: Modibodi and Bonds

As I’ve mentioned before, I’ve been trying to get a bit more comfortable talking about normal bodily functions, and I think it’s important that we discuss what works and doesn’t work with reusable period products – about half the population spends about 10 years menstruating, if you add it all up! So I’m reviewing two…

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Filed Under: Health, Review Tagged With: health, review

Should you avoid aluminium in deodorants? The science (with video)

December 29, 2020 By Michelle 29 Comments

Should you avoid aluminium in deodorants? The science (with video)

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…

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Filed Under: Analysis, Health, Science, Skincare Tagged With: analysis, body, controversial ingredients, fragrance, health, science

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Michelle
Hi! I'm Michelle, chemistry PhD and science educator, and I'm here to help you figure out which beauty products are worth buying, and which ones aren't using science!

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