The U.S. Food and Drug Administration (FDA) has announced that hand and body washes containing certain antibacterial ingredients can no longer be widely sold (the final rule can be found here, and the consumer update is here). Why have they been banned? The Banned Antibacterial Ingredients In high enough concentrations, antibacterial ingredients kill bacteria either…
Why Make-Up Flashback Happens and How to Avoid It
Ah, the dreaded make-up flashback! Celebrities like Angelina Jolie, Nicole Kidman and Miley Cyrus aren’t immune to it, even with their hordes of make-up artists: Embed from Getty Images Here’s the science behind make-up flashback, and how to avoid it. What causes make-up flashback? The harsh white markings are caused by silica, an ingredient in…
Fact-check: How to Use Comedogenicity Ratings
You’ve probably seen a comedogenicity chart like these ones (and the one further down the page) before, rating different ingredients on their ability to cause pimples. Supposedly you check the ingredients list of your product against the comedogenicity list. If it has highly comedogenic ingredients, it will cause pimples, if it doesn’t, then it won’t. It’s…
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