No, they didn’t just spell "semipermanent" wrong. Changing your hair color is a surefire way to feel different and fresh. Unless… the color is bad. That new copper hair trend that looks so cute on TikTok isn’t looking as cute on you — and now you’re stuck with it, right? If you used a permanent hair dye, yes. It’ll take a lot of tinting and color correction to get you back to a good spot. You have to add green or blue to neutralize the copper — it’s a whole thing. The process could take months and your hair will be fighting for its life by the time you’re through. Now imagine you used a demipermanent color instead. Rather than trying to neutralize the orange or using ammonia on already bleached hair, that copper color will simply fade away after 24-ish washes. Demipermanent hair color is like semipermanent dye’s cousin that has a bit more staying power. While semipermanent color washes out within a few washes, and permanent color never truly leaves, hairstylist Larry Sims says demipermanent color lasts up to 30 washes, if you’re cool with forgoing super hot showers. Plus, demipermanent dyes don’t contain ammonia, so they won’t damage or permanently alter your hair the way a permanent dye will. It’s the perfect hair-color solution for commitment-phobes, color lovers, and people who frequently proclaim, "I just wanted a change!" — and we should be talking about it more. (Because wow, I wish I knew this was a thing when I tried to self-color-correct an auburn, permanent box dye gone wrong and walked around with splotchy green-brown hair for a year.) Meet the experts:
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What is demipermanent hair color? Demipermanent hair color is a little more permanent than semipermanent color but less permanent than permanent color. On a scale of "this will never leave your hair" and "washes out instantly," demipermanent falls somewhere in between. It all comes down to a little something I haven’t thought much about since high school: chemistry. "There are many different chemistries that can be used to color hair, and the categories have some overlap," explains cosmetic chemist Kelly Dobos. "Permanent dyes involve the penetration of small color molecules into the hair, which are then converted into larger molecules through a chemical reaction. Those larger molecules become embedded in the hair." In other words, they won’t wash out. Semipermanent dyes, on the other hand, "rely primarily on diffusion of dye into the hair cuticle," says Dobos. "No chemical reactions involved." The dye molecules aren’t embedded in the hair, which means a semipermanent dye will continue to wash out with each shampoo. Demipermanent dyes fall somewhere in between. The magic (er, chemistry) is in the developer. "Developers help open the hair cuticle, allowing dye molecules to penetrate," says Dobos. Depending on the level of developer you use, it can also provide some "lift" or lightening of the hair. "The degree of lift is dependent on the concentration of peroxide in the developer," she continues. "The higher the volume number, the greater the lift." But a low-level developer, like a 10 volume, "allows pigment to deposit with no lift." Okay, chemistry lesson over. Demipermanent dye uses a low-volume, mild peroxide developer (usually a 10 volume developer) to enable color molecules to penetrate and coat the surface layer of the hair cuticle — and just the surface layer. Because of the low concentration of peroxide, it won’t lighten your hair (good news, it won’t damage it either). So it’s not a great choice if you’re hoping to go blonde, but it is a great option for blending uneven color, adding lowlights, toning dull or brassy blondes, or adding richness and shine to any color. That being said, if you already have very dark hair, you’re definitely limited in what you can do with demipermanent color. In this case, blondes do have more fun. The low-level developer gives the demipermanent color some staying power (semipermanent dye is typically applied without any developer), but a demipermanent dye job is only expected to last for about 24 washes before that color coating fades away. Benefits of using demipermanent hair color Colorist Rex Jimieson says demipermanent color has five major benefits over permanent color: "It has no ammonia, it’s easier to grow out, it adds more shine, it’s easier to change later, and it processes quicker." No ammonia means demipermanent color won’t damage or dry out your hair the way permanent color will. And curly girls, rejoice: Demipermanent color won’t alter or damage your curl pattern — it’s totally safe for all hair types. With a demipermanent dye, you’ll still get that obvious "I just dyed my hair" change without the commitment or damage that comes with permanent color. And because that color fades over time, you won’t have to worry about root touch-ups or blending new growth. Your hair should return to its original state after the color washes out entirely. "Permanent color needs touching up every three to six weeks to keep up with hair growth," says Jimieson. "While you might get eight or 12 weeks out of your root line with a demipermanent dye" because it will start to fade — thus, be less noticeably different from your roots — as your hair grows out. So it’s a great option if you’re on a budget or can’t make it to the salon every month. Demipermanent hair color comes in a creme or a liquid — and it can be customized to your color needs. In a liquid state, demipermanent color can be diluted for a more sheer or subtle hue for those who are a bit color shy or looking for a less drastic change. How to use demipermanent hair color Demipermanent hair color can’t lighten your hair, but there are lots of things it can do. Opt for a demipermanent dye if you fall within the below categories:
Demipermanent dye gives you a little more DIY leeway (if things get a little blotchy, it won’t be as obvious and will eventually fade away), but our experts say you should still head to the salon if you’re looking for a demipermanent change. "Demipermanent color can be used at home if you’re amazing at coloring your own hair," says Sims. "Otherwise, I would leave it up to the professionals." How to make demipermanent hair color last Your demipermanent color will wash out eventually — that’s the beauty of it! But you can make it last longer by limiting how often you wash your hair (dry shampoo is your friend) and "use a shampoo line that is color safe," says Jimieson. "Almost anything sold in a salon or prescribed by your colorist or stylist will work." These products are formulated to gently cleanse and condition without stripping the color. On the flip side, if you wound up with a color you hate, you don’t have to live with it for long. You can accelerate the fading process of a demipermanent dye by using a clarifying shampoo — just be sure to follow up with a super moisturizing conditioner because clarifying shampoos can be extremely drying. from Allure
Here’s how you can have a safe Holi This year, Holi falls on March 8, and Holika Dahan falls on March 7. Holi is all about fun, food, festivities and colour! But, it can land you in a soup with damaged hair, skin, rashes and breathing problems. Courtesy- toxic chemicals present in colours. Health 360 tells you how you can have a safe Holi. Easy Rosemary Hair Growth Spray * 10 drops rosemary essential oil * 1/2 teaspoon of a carrier oil (coconut oil, jojoba oil, or squalane oil) * 4 ounces distilled water * 4 ounces spray bottle (amber bottles like this will keep the essential oil potent longer) * mini funnel (optional but helpful) Instructions * Add 10 drops of rosemary essential oil to a 1/2 teaspoon and fill the rest of the teaspoon with a carrier oil. * Pour your oils into your bottle and fill the rest of the bottle to the top with water. Give your bottle a shake and spray directly into roots and then rub it in with your fingers a bit. * Spray into hair once a day. That's it. from A Beautiful Mess Can shampoo in a bar really get your hair clean and shiny? Industry professionals explain how the bars can help your hair and, more importantly, the planet. If you think you’re already doing your part to reduce plastic use, take a quick peek inside your shower stall. See those plastic bottles of shampoo and conditioner? No judgment, but ahem.
The good news is there’s another, more eco-friendly way to cleanse that magnificent mane of yours. The growing category of shampoo bars is gaining in popularity with folks who want to do the right thing, but who also want their hair to look its absolute best at all times (so, pretty much everybody). One shampoo bar = Three plastic shampoo bottles Shampoo bars are a small but significant step in our quest to reduce plastic proliferation. The makers of these bars say their products are essentially all the good parts of shampoo (the stuff that gets your hair clean and beautiful) without a bunch of non-essential water added — and with no plastic bottle required. “Liquid shampoo contains 80 to 90% water,” Superzero founder and co-CEO Conny Wittke told HuffPost. “The amount of plastic used in the beauty industry is significant, creating 120 billion units of plastic packaging waste every year globally. In the United States, 552 million plastic shampoo bottles are sold every year. But overall, less than 10% of the plastic we create gets recycled.” Removing the water from shampoo formulations leaves consumers with one small bar that can contain the equivalent of up to three bottles of shampoo, enough for up to 80 washes, depending on the brand. Then there’s the issue of what it takes to get that bottle transported from a factory to your shower stall. “Because you get more product for less weight and volume with shampoo bars, there are fewer greenhouse gases generated during shipping,” Wittke said. How significant is that impact? “One of our shampoo bars has just 8% of the carbon footprint of the equivalent liquid product,”said Brianne West, founder and CEO of . Allison Teasdale, the chief operating officer ofUnwrapped Life, noted: “We’ve diverted more than 4.5 million plastic bottles from entering our oceans, and we’re committed to preventing more than 20 million plastic bottles by 2025.” Is there a shampoo bar in your future? It seems likely. “Everyone who uses shampoo eventually will use them,” said co-founder Dion Hughes. “I foresee a time when using shampoo from plastic bottles is as uncool as lighting a cigarette in a restaurant.” You’ve got to let go of the ‘theater of lather’ You’ll need to manage your expectations with your first few bar uses, starting with the volume of lather you’re likely to see. There’s a “theater of lather” that we’ve come to expect from our cleansing products, but the additives that provide a rich lather aren’t necessarily proof of super-deep cleaning. “Lather is not so much a cleansing effect as a reassuring effect,” Hughes said. “You’ll notice that your shampoo bar will suds up, but it’s not like the kind of foam you see in a beer commercial, more just a creamy lather,” Shambar founder Jeffrey Qaiyum told HuffPost. “If you’re getting that much foam from a shampoo bar, frankly, you’re using a bar of soap with the word ‘shampoo’ slapped on the label.” It might take some getting used to How that small, hard bar will translate into a good shampoo might seem confusing at first, but after a few tries, you’ll get the hang of it. “Just swoosh the entire bar around on your head,” said Erica Vega, brand and product expert for Lush Cosmetics USA . “If your hair is prone to tangles, rub it in your hands first, then rub the lather in, the way you would do with a liquid shampoo.” After rinsing and drying, your hair might look a little different than the way it does after a traditional shampoo, at least at first. Shampoo bars tend to be gentler than shampoo, so you’ll need to let your hair adjust to that milder cleansing, or you might eventually need to switch up the timing and frequency of your shampoos. “For some people, it takes two to three weeks to ‘break in’ and let the hair become normalized after years of having natural oils stripped away by shampoos,” said James R. Liggett, president and founder of J. R. Liggett’s. What about conditioner? Whether you’ll need a conditioner bar is a matter of your particular hair type. Someone with short hair might be just fine, but those with thicker, longer or curlier hair might want to use one. “Many people with curly hair choose not to use shampoo in favor of co-washing, which is washing with conditioner,” West said. She noted that those products also have eco-benefits. “One of our conditioner bars is equivalent to five bottles of liquid conditioner,” she added. Travel, shave and even wash the dog with your shampoo bar Because of their compact size, shampoo bars make sense for travel. They eliminate worries about Transportation Security Administration requirements because — ta-da! — you’ve ditched the liquid altogether. Whether you’re staying at a luxury hotel or at a campsite, you’ll also find that a shampoo bar is a good in-a-pinch way to care for hand-washable clothing when you’re on the road. People can use the bars on their entire bodies, or as a replacement for shaving cream. And you can break them out when it’s time to wash pets, too. No matter what you’re doing with your own particular bar, “They’re absolutely gentle enough to use every day,” Qaiyum said. For more of this story, click here and scroll down to Shampoo bars to try If you decide that you want to make your hair less frizzy or straighter, you may choose to go to a professional stylist at a hair salon for a hair straightening or smoothing service. Most hair smoothing or straightening products release formaldehyde gas, a known human carcinogen as classified by the International Agency for Research on Cancer, into the air during the hair straightening or smoothing process. Formaldehyde exposure can cause both short- and long-term effects that may impact your health. What Happens During the Hair Smoothing Process? Your stylist usually applies a hair straightening or smoothing solution to your hair and follows it with a heat processing step—typically performed with a flat iron device that seals the solution into the strands of the hair. When the solution is heated, the formaldehyde in the product is released into the air as a gas. If the salon is not properly ventilated, you, your stylist, and others in the salon are at risk of inhaling the released formaldehyde. Why Exposure to Formaldehyde is Dangerous When formaldehyde is released into the air and is present in the air at levels exceeding 0.1 ppm, it can cause serious irritation of your eyes, nose, and lungs. It can also cause skin sensitivity or allergic dermatitis. Formaldehyde Exposure: Potential Short-and Long-Term Effects The greater the exposure to products that contain formaldehyde in terms of both length of time and concentration, the higher the potential health risks. Individuals who have experienced formaldehyde exposure have described reactions such as eye problems or irritation, nervous system problems (for example, headaches and dizziness), respiratory tract problems (sore or scratchy throat, cough, wheezing), nausea, chest pain, vomiting, and rashes. Chronic effects associated with formaldehyde can include an increased prevalence of headaches, asthma, contact dermatitis (a red, itchy rash caused by direct contact with a substance or an allergic reaction to it as a result of sensitization) and possibly cancer. It’s important to note that some people are very sensitive to formaldehyde, whereas others have no reaction to the same level of exposure. If you are sensitive to formaldehyde, you should not use this type of product. Steps to Take If You’re Thinking of Using Hair Smoothing Products
See a fact sheet and an infographic for more information about hair smoothing products and formaldehyde. from the FDA
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