Evidence-based
The studies behind what we leave out of our products, reviewed and written by Dr Kynan Nahrung.
Microplastics have now been detected in human blood, placenta and, as of a widely reported 2024 study, brain tissue. Here's what's actually been found, what it doesn't yet prove, and why it still changes how we think about plastic in everyday products.
Read article →Sodium lauryl sulfate is so reliably irritating that dermatologists use it as the benchmark positive control in skin-irritation testing. Here's the mechanism, and why that's relevant to a detergent found in most toothpaste, shampoo and soap.
Read article →Parabens are among the most-debated preservatives in cosmetics. The honest picture is more nuanced than either "completely safe" or "proven dangerous" — here's what the regulators, and the research, actually say.
Read article →A single word on a label can legally stand in for dozens of undisclosed chemicals, protected as a trade secret. Here's how that loophole works, and why some of what hides behind it is worth knowing about.
Read article →