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 we hadn’t decided on the …

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Cleanser reviews: Then I Met You, Oneoseven, Fresh, Skin Doctors

Cleanser reviews: Then I Met You, Oneoseven, Fresh, Skin Doctors

Cleansing is one of the non-negotiable steps in a skincare routine, and sometimes picking a good cleanser isn’t an easy task. We tend to think of cleansers as less important to “get right”, since it doesn’t stay on your skin for long, but in my opinion finding a cleanser that works for your skin will make a huge difference. The …

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Behind the Scenes at Bioderma

Bioderma Factory Micellar Water

This post is sponsored by Bioderma. As you might have seen on my Instagram (@labmuffinbeautyscience), I recently went with Bioderma to their headquarters in Aix-en-Provence in France to learn more about the brand and their products. I also got to tour their research and development labs and their manufacturing facilities. As you probably already know, Bioderma are the brand behind …

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Foundation Clumping Science, and How to Fix It

Foundation Compatibility (with Video)

You might’ve had the experience where you apply your foundation over primer/moisturiser/sunscreen etc., and then a little while later your foundation’s gone clumpy. This is foundation incompatilibility. What’s happening, and what can you do to avoid it? Let’s talk about the science behind foundation! [Note: I would recommend watching the video in addition to reading the post, if you’re usually …

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Skincare Chemistry: How to pick out humectants

humectant

I recently posted an excerpt from The Lab Muffin Guide to Basic Skincare on my Instagram and Facebook (which is one of many useful tables in my eBook by the way, and it’s packed full of information on the super important fundamentals of science-based skincare – although I’m obviously biased since I wrote it and put all my best tips …

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Activated Charcoal in Skincare: The Science

activated-charcoal-cleansing-mechanism

Activated charcoal skincare products are pretty cool. They’re black, they’re sciencey-sounding and they’re said to suck dirt out of your pores like a magnet – what’s not to like? The reality is a little more complex than that… (If you’re after the video version of this post, check it out here! To make sure you don’t miss a video from …

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Can you freeze your beauty products?

Skincare fridges are taking off, and the question is – what’s the point of refrigerating your beauty products? Why does cold make them last longer? What about freezing your skincare products – is it OK? The short answer is yes, most of the time. Here’s the longer explanation… (also in video form here!) Why do beauty products go off? If …

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Amperna Skincare Review: Actives for Sensitive Skin

Amperna Skincare Review

Amperna is an Australian skincare line developed for sensitive and problematic skin that’s still packed with actives that treat acne. A lot of anti-acne product lines are harsh, and even if they’re effective for a lot of people, they can make sensitive skin can freak out. You don’t really want to switch acne-prone skin for stinging, irritated skin. Amperna’s founder …

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