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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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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Impressively Bad Skincare Science: Matter of Fact (with Video)

Matter of Fact thumbnail

Update (14/9/2022): Dr Julian Sass (@scamander14 on Instagram), a biostatistician and full-time employee of Matter of Fact (Director of R&D and Education) has publicly accused me of bullying him in a video on his Instagram and Twitter. My response is here: Response to accusations of bullying from Julian (@scamander14) Relevant to this post and Matter of Fact: Interestingly he didn’t …

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Ultimate Vitamin C Skincare Guide Part 1: Ascorbic Acid (with video)

Vitamin C product guide

Vitamin C is one of the most commonly raved about ingredients in skincare, with lots of evidence to back up its effects. But it’s also one of the most confusing. There are just so many different vitamin C ingredients and product types, and this is before you even get to all the different products you can buy! So this is …

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Common Questions About Vitamin C (video collab with Beck Wynta)

Vitamin C video

Today’s video is a collaboration with fellow Australian YouTuber Beck Wynta. We answer some of the most common questions we get asked about vitamin C, including: Can vitamin c be used in the morning? Why does L-ascorbic acid irritate my skin? Does price matter for vitamin C serums? Can you mix vitamin C with sunscreen? Why does vitamin C turn …

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Ascorbyl Glucoside Vitamin C: Avène A-Oxitive

Avene A-Oxitive

This post is sponsored by Avène. I’ve been really happy to see more vitamin C products hit the marketplace recently. Vitamin C is one of my favourite skincare ingredients – it’s a powerful antioxidant that’s fantastic for soaking up free radical damage, which makes it great for evening out skin tone and reducing fine lines. As someone who’s very prone to …

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What Does Coenzyme Q10 (Ubiquinone) Do in Skincare?

Coenzyme Q10

Coenzyme Q10 (ubiquinone) is an ingredient found in lots of skincare products. Here’s the lowdown on what it is, and what it does for your skin. What Is Coenzyme Q10? Coenzyme Q10 (also known as ubiquinone or CoQ10) is a fat-soluble substance found in almost every tissue in your body. Your body naturally produces a lot of it. Its main …

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