Octocrylene Causes Cancer? and I’m Propaganda Now

There’s been a recent study published about the sunscreen ingredient octocrylene turning into benzophenone over time. According to the paper, “benzophenone is a mutagen, carcinogen, and endocrine disruptor”. I wasn’t going to do a proper analysis of this paper because it only really got lots of attention in France and not many other places, but then I saw that I …

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Do They Work? Evy 6-Hour Sunscreen, Dermablend Drops in SPF

Evy & Dermablend: Do They Work?

Being the “sunscreen nerd” person, I get a lot of questions about unusual sunscreen products and whether or not their claims work out. Last time I talked about the Colorescience powder sunscreen and the Skinnies “pea-sized amount” claim. Related post: Do They Work? Colorescience SPF Powder, Skinnies “Pea-Sized Amount” (with video) This time I’m talking about two more products that people …

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How to Protect Your Skin Against Blue Light: an Update

Blue light protection products

I’ve talked about visible light and blue light, and their effects on pigmentation in lots of detail before. There’s been more studies done since then – fortunately my conclusions are still correct! In short, the vast majority of us don’t have to worry about visible light or blue light coming from our screens. There just isn’t enough light coming from …

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Purito Sunscreen and All About SPF Testing

SPF testing Purito

Recently you might have heard that one of my former favorite sunscreens Purito Centella Unscented Sun tested at SPF 19, which is much lower than its labeled protection of SPF 50+. There were rumours that it didn’t match the label claim before, but until INCI Decoder published the two in-vivo SPF tests on their blog, a lot of scientists were …

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