What’s the best way to dry your hair, according to science? Is it hair dryers, hair straighteners, towels, or just leaving it to dry naturally? I have fragile, expensively damaged hair and try a lot of hair products, so I have a special interest in this. Here’s the science of drying your hair. The video is here, keep scrolling for …
How do you check if information is reliable? One shortcut that works well (most of the time) is to check if the source itself is reliable! This is much faster and easier than trying to learn the science behind an area you’re not already familiar with – it takes a lot of time to properly factcheck information, even for experts. …
There’s been a lot of hype around Cyperus oil for hair removal, largely based on a study where it supposedly worked as well as laser. Unfortunately I don’t think it works, and if it did work, it would be a risky product to be using. For context, my PhD is in medicinal chemistry. Part of this involves looking at the …
If you’ve ever tried gel nails, you’ll know you have to bake your fingers under a UV lamp. And if you’re like me, you might’ve thought: I know UV from the sun is bad and causes skin cancer, tanning beds are extra bad, they cause extra skin cancer… is this thing that looks like a tanning bed (for ants) actually …
Here’s Part 2 of our deep dive into benzene contamination in your products. In Part 1, we talked about whether the experiments were “realistic” (no), and whether the cancer risk was described accurately (also no). This time, we’ll be discussing the wider issues around the private lab behind these findings, Valisure. This is adapted from the video version (which works …
Here’s Part 3 of my updated sunscreen recommendations – these are the new Korean sunscreens I’m adding to my list. Part 1: Japanese sunscreens Part 2: European sunscreens Part 3 (this one): Korean sunscreens Part 4: Australian sunscreens The video is here – keep scrolling for the text version. See Part 1 for the full background information – here’s a …
Part 2 of my 2024 top sunscreen recommendations update! This part covers the new European sunscreens on my list. Part 1: Japanese sunscreens Part 2 (this one): European sunscreens Part 3: Korean sunscreens Part 4: Australian sunscreens The video is here – keep scrolling for the text version. See Part 1 for the full background information – here’s a very …
I’m finally updating my top sunscreen recommendations! My last list was in 2022, but honestly, I don’t feel like the sunscreens I’m adding this time are a huge step over those. But I do like giving people more options – in case you can’t get certain brands where you live, or you’re allergic to a particular ingredient, or they get …