Fact-check: What is micellar water and how does it work? An Update

micellar-water-face

Over the past two years, my post on the chemistry of micellar water with dodgy photographed scrawlings has become one of the most popular, so I thought it was high time to update it with nicer drawings and finetune the explanation of the science. This also comes in video form – check it out here! There are tons of micellar …

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Why Vitamin C Can Stain Your Skin (and How to Avoid It!)

Why Vitamin C Can Stain Your Skin (and How to Avoid It!)

Vitamin C is one of the few skincare ingredients with a decent amount of independent research to back up its properties, like its brightening and anti-wrinkle benefits. But those of you who are vitamin C enthusiasts may have noticed that with some vitamin C serums that contain ascorbic acid, you end up with slightly darkened skin after a few days …

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Easy (5 Minute) DIY Vitamin C Serum Recipe

I’ve mentioned my super-easy DIY vitamin C serum a few times before on social media, and some of you have been asking me for the recipe… but I’ve been so distracted with other things I never got around to posting it until now. I’m sorry! Please forgive me. I hope the results make up for my tardiness! Here’s the video …

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How to Choose a Moisturizer: The Science

NoTS 28 Remedy Perfect Solution Set Skincare Review

Choosing your moisturizer can be a difficult process. The beauty section is full of moisturizers for different skin types, and you’d think you’d be fine picking one that matches your skin type. But I’m sure many of you have had the annoying experience of taking a moisturizer home that’s supposed to be right for you, then finding that it’s just… …

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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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The Science of Hair Products: Shampoo and Conditioner

Sulfates, fatty alcohols, silicones, preservatives… what are they doing in your shampoo and conditioner, and do you need to avoid them? Today’s post is a deep dive into some of the key ingredients in haircare products. The video version is here if you prefer that format! Note: This post is based on a video sponsored by The Ordinary, but this …

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Reacting to Your Unpopular Opinions (Video)

I asked on Instagram for all your unpopular opinions a short while back, and filmed a chatty video discussing a handful of them – check it out here!  Topics covered: 0:19 Body moisturisers are good face moisturisers 1:10 Skincare is unnecessary 2:32 Physical exfoliation is terrible for sensitive skin 5:20 Hyaluronic acid causes inflammation 8:23 Hyaluronic acid dries skin out …

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Vitamin C Esters: Are ATIP and THDA the Same Thing?

THDA ATIP structures

Vitamin C is an amazing skincare active, but ascorbic acid can be annoying in products. That’s why vitamin C derivatives were developed – these are slightly altered versions of ascorbic acid that can get around these issues (irritation, instability, stained fingers, fake tan smell). Two of the INCI names for derivatives that you might’ve seen on ingredient lists are ascorbyl …

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