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Did you jump on the mineral makeup bandwagon only to see your face break out in a horrible rush? WTH? Wasn’t this stuff supposed to be safer? Not really. Some of the ingredients used in mineral makeup can cause a rash or bad reaction. That’s not to say you should avoid it. I’m not the biggest fan of mineral makeup, but if it works for you, go for it. What you may want to avoid, if you have sentive skin, is Bismuth Oxychloride. That’s the little culprit that causes problems in mineral makeup – and any skincare and makeup product is used in. Why? Here’s what science says:
What Is Bismuth Oxychloride?
Bismuth Oxychloride is derived from the metal bismuth, a natural component of the mineral bismoclite. Problem is, bismuth is rare in nature, so no one bothers to mine it to put it in cosmetics (it’d cost a fortune if they did!).
Instead, the Bismuth Oxychloride that is lurking in your cosmetics is a by-product of copper and lead refining that’s then mixed with chloride and water (by the way, the whole thing goes through a strict refining process to make it safe for use in cosmetics). Once finished, it looks like a greyish/white powder with either a pearl or diamond finish.
Bismuth Oxychloride Benefits
You may be wondering, “mineral makeup is meant to be natural and this stuff doesn’t sound like it’s natural at all. So, why is it used in mineral makeup (and traditional makeup, for that matter)?”
Bismuth Oxychloride has several jobs in makeup and skincare products:
- It binds products together: It gives makeup products texture and smoothness and helps them adhere to the skin better.
- It gives products their finish: It can impart either a matte or shimmering finish to cosmetics.
- It’s refractive: When the light hits it, it helps reduce the appearance of fine lines and wrinkles.
Add to that its cheap price and it’s easy to see why beauty brands love it. Consumers, on the other hand, not so much…
Want to know what ingredients you really need to avoid in your skincare products? Sign up to the newsletter below to receive the “Skincare Ingredients To Avoid” cheatsheet:
Bismuth Oxychloride Side Effects
Bismuth Oxychloride is super irritating. It causes:
- Allergies
- Irritations
- Itchiness
- Redness
It’s its unique crystalline nature that’s causing the problem. These crystals have sharp edges that poke at the skin, irritating it. They can also get stuck in the pores, causing breakouts. I’m not saying that everyone who uses Bismuth Oxychloride will suffer this fate. I’m one of those lucky ladies with resilient skin who can easily tolerate it. But, even I prefer to avoid it. With so many alternatives these days, why still still use a common irritant and allergen?
The Bottom Line
Bismuth Oxychloride is a common ingredient in mineral makeup. It’s also a common irritant and allergen. If your new mineral foundation gave you a bad rash, this is probably the culprit. Stay away!
About Gio
Hi, I’m Gio. I’m a no-nonsense, tell-it-like-it-is skin coach and writer on a mission to help you achieve your best skin day ever – every day. I bust skincare myths and debunk marketing jargon to help you figure out what’s worth the splurge and what’s best left on the shelf – using science, not hype. I also offer skincare consultations to help you create the best skincare routine for your unique needs.
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