How Much of a Sunscreen Stick Should You Apply?

sunscreen spf stick experiment

Sunscreen sticks are really convenient, but it’s difficult to measure out how much you need to apply, or whether you’ve applied enough. So I decided to put them to the test!  I recently did a few investigations of sunscreen sticks. I tried to work out: How much protection you’re getting with reasonable amounts of sunscreen sticks How much you would …

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Sunscreen absorption and receptor binding: Debunking TikTok Misinformation

tiktok misinfo hormone

There’s tons of misinformation on the dangers of sunscreen on social media, and it seems like all of the myths make the rounds each time a new platform emerges. Currently the trending platform is TikTok. Even though sunscreen safety is a topic I’ve covered many times, it repeatedly comes up in many different flavours. I’ll break down the misinformation in …

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Asian Sunscreen Reviews: Glow Recipe, Skin1004, Suncut, Benton

Skin1004 reviews thumbnail small

It’s time for Asian sunscreen reviews. Some of these I’ve been asked about a lot, so it’s kind of a relief to get these out! The video is here, keep scrolling for the text version (note: the video was sponsored by Skin1004, but this blog post isn’t.) These are all Korean and Japanese sunscreens that aren’t approved in Western countries …

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Guest Appearance on The Proof podcast with Simon Hill

Lab Muffin The Proof Simon Hill

I recently chatted all things skincare with Simon Hill on his podcast The Proof for about three and a half hours. You can listen to the first part on sunscreen here and the second part on skincare, clean beauty, haircare… basically everything else – here. The Proof is a great listen if you’re looking for deep dives on pretty much …

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US Sunscreens Aren’t Safe in the EU? The Science

US Sunscreens Aren’t Safe in the EU?

There’s been a lot of fearmongering about chemical sunscreens. There were scary-sounding new stories – sunscreen absorbing into blood, killing coral reefs, zinc oxide being toxic, benzene in sunscreens… Related Post: Top 7 Sunscreen and SPF Myths I’ve covered most of these before, and they’re largely just the media taking things out of context and sensationalising them, partly for views, …

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Do I Need a Special Cleanser to Remove Sunscreen?

Do I Need a Special Cleanser to Remove Sunscreen?

Here’s a myth I’ve been seeing around skincare communities: that you have to use a special cleanser to remove water-resistant sunscreen. For example: “Keep in mind that most of these sunscreen actives are also oil-soluble (only dissolves in oil, not water), which gives sunscreens their water-proof and sweat-proof properties. Therefore, in order to completely remove sunscreen, you have to use …

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SPF Boosters: Hidden chemical sunscreens in “mineral sunscreens”

other active SPF boosters 4

There’s a sort of industry secret with mineral sunscreens: a lot of them contain unregulated chemical sunscreens. Which isn’t always a big problem… but it also kind of is. Today we’re talking about inactive ingredients in sunscreens that aren’t really inactive. The video is here, keep scrolling for the text version…. SPF boosters It’s not that easy to make a sunscreen. It …

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Top Sunscreen Recommendations 2022

Fave Sunscreens 2022 thumbnail

It’s time for an updated sunscreen recommendations list! This is also available as a video here – the video also shows the texture and packaging of each sunscreen, but if you prefer reading the text version keep scrolling. Preamble First a bunch of disclaimers, because I do not have the self confidence to give my opinion without them. (I am …

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