There’s been a lot of people testing heat protectants on receipts lately. You spray a heat protectant on a thermal paper receipt, then use a flat iron hair straightener on it. Since receipt paper turns black with heat, the receipts that stay white have the more effective heat protectants… … Or so the logic goes, anyway. But does this test …
Your scalp’s itchy and inflamed – and none of the products you’ve tried seem to be working. And now, maybe your hair’s even thinning. Here’s the problem: Most scalp products aren’t treating the right cause, and no one’s really explaining what that is. And a lot of scalp products actually make things worse. I’m the owner of a problematic scalp, …
Is synthetic braiding hair giving people cancer? In February 2025, Consumer Reports announced that they had found carcinogens in all 10 products of artificial braiding hair they tested. They claimed this was putting the health of wearers and braiders at risk. But is this actually true, or is it fearmongering? Here’s the video version – keep scrolling for the article. Overblown …
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 …
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 …
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 …
Since I bleached my hair and dyed it purple (and am now slowly shifting to pink), my hair care needs have changed massively. Related Post: My Asian Hair Bleaching Experience (Video) Related Post: What to Expect After You Bleach Your Asian Hair Typical straight, black East Asian, hair naturally has low porosity, with the outside cuticle lying very flat. This means that …
Batiste is one of the most popular dry shampoos, but there are lots of posts on social media warning people not to use it. Is it actually bad for your hair? Here’s the lowdown. What are the claims? Here’s an example of one of these videos, which I debunked recently as part of a YouTube video on haircare myths: Video: …