How to dry your hair, according to science

how to dry your hair science

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 …

Read more

Benzene in your products, Part 2: The story of Valisure

Bunick confusion

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 …

Read more

Top Sunscreens 2024, Part 3: Korean Sunscreens

Haruharu Airyfit

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 …

Read more

Top Sunscreens 2024, Part 2: European Sunscreens

Eucerin Oil Control

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 …

Read more

Top Sunscreens 2024, Part 1: Japanese Sunscreens

Nivea UV Deep Protect & Care Essence

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 …

Read more

Does rosemary oil work for hair growth? The science

rosemary oil hair loss

Is rosemary oil a natural, science-backed treatment for hair growth?  According to a lot of doctors, scientists and trichologists across the internet, yes – there’s “scientific proof” that it works as well as minoxidil. But unfortunately, that isn’t true. It all seems to be a misunderstanding of a single study: Rosemary oil vs minoxidil 2% for the treatment of androgenetic …

Read more

Do sunscreen sprays actually work? The science

sunscreen spray thumbnail

Sprays seem like the perfect way to reapply sunscreen without messing up your makeup. But how effective are they? I did some experiments to find out – the results were very eye-opening!  The video with footage of the experiments is here, keep scrolling for the text version… A while ago, I looked at the protection you get from sunscreen sticks …

Read more