Your Mascara Could Have Mites—Plus Other Reasons Makeup Expiry Dates Matter

Before I get started, I’d like to caveat this piece with a disclaimer: I do not believe in expiry dates. I am, if you will, an expiry-date conspiracist who believes that supermarkets stamp deliberately short shelf lives onto our fresh produce. Those best before and use by dates that appear on every plastic-wrapped apple and tomato? I genuinely don’t give them a second glance. I was raised in a household where you just give whatever is in the fridge a sniff and use your own good judgement to decide whether it’s still edible.