If you're still a little unclear on the difference between permanent, semi-permanent, and demi-permanent hair dyes, here's the basics: With semi-permanent dyes, “there’s no developer, there’s no hydrogen peroxide-the color just sits on the hair’s surface for about 15 washes,” Patty Slattery, AVP of hair color education, training, and testing at L'Oréal Paris, has told Cosmo.
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These three ingredients can not only dry out hair but potentially lead to skin irritation, so if you see it anywhere on the box and you’re sensitive, just put it back and keep on lookin’.
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But there are a few things to keep in mind if you want to keep it as natural as possible: Look for dyes made with moisturizing and protective oils, along with formulas free of alcohol, ammonia, and PPD.
Once again, for the ppl in the back: All hair dyes include some chemicals, because that’s what’s required to give your hair a semi-permanent or permanent color change. We updated this article in April 2023 to add new natural hair dyes that the internet won't stop talking about, deleted outdated oldies, and checked in with experts for the latest products and advice, just for you. ✔️ P.S., This is new, up-to-date info, bb. So if you want to limit potential irritants and buy a one-and-done hair dye, here's what you need to know. PPD, for example, "is a common cause of allergic and irritant contact dermatitis of the scalp," says dermatologist Karan Lal, MD, while ammonia and alcohol can dry out your hair cuticle and skin. These ingredients aren't bad or dangerous, but they can be hrash. There are still a ton of hair dyes that are free of ammonia, alcohol, and p-phenylenediamine (PPD, a chemical that helps open up your hair cuticle to let the dye in). Still, that doesn’t mean you automatically have to settle. Unless you’re dyeing your hair with henna or literal plants (like beet juice or carrot juice), active chemical ingredients will be in your hair dye formula to allow them to work. But before you start conjuring images of dyes that don’t contain any toxins, chemicals, or harsh ingredients, I gotta break it to you: that doesn’t actually exist. From natural deodorant to organic sunscreens, the market is now filled with a surprisingly large selection of clean-friendly formulas, and that includes natural at-home hair dye. It’s no secret that the clean beauty movement has basically taken over the hair, skin, and makeup world.
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