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What’s in hair conditioner, and how does it work?

January 22, 2013 By Michelle 20 Comments

What’s in hair conditioner, and how does it work?

The right hair conditioner can make your hair glossy and bouncy, but the wrong one can instantly make it lifeless and lank. What’s in them that make them so different? Monik Markus pH and hair The most important thing about hair conditioner is that it’s acidic (pH < 7). Hair is made up of three…

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Filed Under: Hair, Science Tagged With: active ingredients, hair, science

How do sunscreens work?

November 6, 2012 By Michelle 19 Comments

How do sunscreens work?

I know I’ve been pretty slack with the science posts (thesis writing makes me never want to read another science article again!), but I decided to do this one, because a few people have asked me about it recently. There’ll be a few sciencey DIY beauty projects soon though, hope that satisfies any nerdy cravings!…

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Filed Under: Science, Skincare Tagged With: active ingredients, Q&A, science, skincare, sun protection

Ceramides – what the eff are they and why are they in my cream?

October 5, 2012 By Michelle 9 Comments

Ceramides – what the eff are they and why are they in my cream?

Ceramides – where have I heard that before? Ceramides are in lots of moisturisers and serums. Brands which feature ceramides in their skincare range include Elizabeth Arden, L’Oréal, Ultraceuticals and Innoxa. What are ceramides? Ceramides are a family of lipids (fatty molecules) which make up a significant proportion of cell membranes, the “skin” of cells….

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Filed Under: Science, Skincare Tagged With: active ingredients, chemical, moisturiser, science, skincare

What does benzoyl peroxide do?

September 9, 2012 By Michelle 20 Comments

What does benzoyl peroxide do?

Benzoyl peroxide (or BP, as it’s affectionately known) is one of those products that seems to work for everyone. It’s a topical treatment (cream) that’s an essential component of many acne treatment regimens (Dan Kern’s acne.org, ProActiv, Paula Begoun just to name a few). But what does it do, and how is it most effective?…

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Filed Under: Science, Skincare Tagged With: acne, active ingredients, chemical, 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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