La Roche-Posay UVMune 400: Science and Review

La Roche-Posay UVMune 400

The La Roche-Posay UVMune 400 range has been super hyped up because it contains a brand new sunscreen ingredient: Methoxypropylamino Cyclohexenylidene Ethoxyethylcyanoacetate (MCE), or Mexoryl 400. It’s currently exclusive to L’Oreal, and was developed in conjunction with BASF. I’ve mentioned in passing that I don’t think it’s as much of a game changing “must have” for everyone that some people have …

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Benzene in your products, Part 1: Bad science

valisure benzene video

It’s now Round 5 of “benzene in your products is giving you cancer” – over the last three years, this “known human carcinogen” been found in hand sanitiser, sunscreen, deodorant, dry shampoo, and now benzoyl peroxide acne products.  I previously talked about benzene in sunscreen and dry shampoo, but it’s time for a deeper dive into these findings, and the …

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The “Everything” Serum: Olay Super Serum

olay super serum

I’ve been reviewing beauty products for more than 10 years, so not a lot of things excite me – but some things did in 2023. The Olay Super Serum was one of them! The video version of this review is here, keep scrolling for the text version…. Olay Super Serum is the best new skincare product I’ve tried in a …

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Ultimate Guide to Drug Retinoids

drug retinoids thumbnail

Drug retinoids – tretinoin, adapalene, tazarotene and trifarotene – are some of the most powerful ingredients in skincare. They can help with issues like acne, uneven texture and hyperpigmentation. But what are the differences between them? Here’s the guide for you! My PhD is in medicinal chemistry, so I’m going to be diving into the differences at a drug structure …

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Vitamin C doesn’t work? Debunking Science Vs Skin Care Podcast

Science Vs Skincare Podcast

The Science Vs podcast episode on Skin Care: Is Anti-Aging a Scam? in part inspired my recent post on whether retinol in cosmetic skincare products worked. I’ve had some questions about some of the other parts of the podcast, especially about vitamin C and whether it actually penetrates skin. As I’ve discussed before, vitamin C in L-ascorbic acid form is …

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Is Retinol a Scam? The Science

Retinol Scam thumbnail

If there’s one skincare ingredient that works, it’s retinol. Pretty much everyone agrees – whatever skin concern you have, it’s one of your best bets. But is it all a scam? Let’s dive into the science behind retinol, and the bigger question of why skincare science looks so different from what academic scientists are used to. The video is here, …

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Haruharu Black Rice Airyfit and Mineral Sunscreen Reviews

Haruharu sunscreens

Haruharu is a Korean brand who have recently released a couple of sunscreens with a lot of hype around them: Moisture Airyfit and Pure Mineral Relief. I recently reviewed these in a sponsored video. Note: Neither of these are approved as sunscreens in Australia. Haruharu Wonder Black Rice Moisture Airyfit Sunscreen SPF 50+, PA++++ Filters: TDSA (Mexoryl SX), octyl triazone, …

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