Warning: Very nerdy content ahead! If you’ve been following sunscreen discourse (apparently this is a thing now) you’ll know that mineral sunscreens mostly work by absorbing UV and only scattering a small amount, in the region of 4-5% across the range of UV. This was quantified in a pretty commonly cited 2016 paper by Curtis Cole, Thomas…
Clean Beauty Is Wrong and Won’t Give Us Safer Products
If you use beauty products, it’s impossible to not have heard of clean beauty. It’s a revolution. You want your products to be clean – you don’t want to use dirty products! You want your products to be good for your health and good for the environment. There are beautiful celebrities telling you about how…
Sunscreens in your blood??! That FDA study
You’ve probably seen the recent influx of articles about the new FDA sunscreen study, usually titled something like “sunscreens can make it to your bloodstream!” The study itself is fine and good and necessary as a first step in the FDA’s new zeal for sunscreen regulation. But the more I read the coverage around it,…
Amodimethicone: The Science of My Favourite Hair Ingredient
Since I bleached my hair and dyed it purple (and am now slowly shifting to pink), my hair care needs have changed massively. Typical straight, black East Asian hair naturally has low porosity, with the outside cuticle lying very flat. This means that water and other ingredients don’t go in or out of the hair…