Dry Shampoo Benefits.
Does Dry Shampoo Actually Keep Your Hair Clean?
The benefits and limits of dry shampoo
How dry shampoo works
Dry shampoo works simply: the alcohol or starch in the product soaks up the excess oil and grease in your hair, giving it a cleaner, fresher appearance. Traditionally, shaking corn starch into hair has achieved the same effect, but most current products deliver the drying agents via an aerosol spray.
In addition to supporting the hair-care industry’s push to minimize the use of oil-stripping shampoos, there are some cases where dry shampoo is the preferable option, Dr. Bergfeld says. For example, if you’re traveling and a shower isn’t an option or if you’re hospitalized and unable to bathe, this type of product can help maintain your hair and scalp. But, only for a little while.
“Dry shampooing has its place, but no wet shampooing has no place,” she says. “Your hair and scalp needs to be washed and rinsed intermittently to keep it clean. The scalp collects chemicals and pollutants both from the air and from cosmetic care products, and if you only use a dry shampoo, the cleansing is only minimal but it does freshen the hair by removing oils.”
Why not forever?
According to Dr. Bergfeld, dry shampoos not only build up a residue in your hair that can make your scalp feel and appear sandy and grainy, but the products also may dry out your hair, making it brittle or fragile. If the hair is dry and there no added moisturizing substance, the hair fiber will fracture, and you’ll have a headful of broken hair, she says.
Dry shampoo products can also leave a residue on the scalp as scales or scalp rash leading to inflammation that reduces hair growth.
At most, she says, you can consistently use a dry shampoo product for no more than three months – and not every day.
Spray the right way
If you do choose to use dry shampoo, here are ways to minimize its appearance and impact on your hair:
Only spray oily areas.
While spraying, keep the canister at least 6 inches from your scalp.
After spraying, massage your scalp to evenly distribute the product down to the roots.
Carefully and gently brush through any patches that have too much dry shampoo added.
Don’t spray the ends to avoid extra dryness or static. Add a pea-sized amount of coconut oil or hair conditioner if the tips feel too dry.
Use no more than two days in a row.
Wet shampoo is here to stay
Shampooing hair is critical to removing the dirt, bacteria and yeast that can build up on the scalp. Repeatedly adding topical products to the scalp, such as oil, clogs pores and creates opportunities for pimples or bacterial infections, Dr. Bergfeld says. Add in hair sprays, volumizers and other hair-care products, and the scalp develops a film that must be removed.
It’s true, in the short term, that dry shampoos can safely mask the appearance of debris in your hair. But ultimately, it becomes a contributing factor. Using them forever isn’t a good option. Only a wet shampoo can truly cleanse the scalp, she says.
“In my opinion, you have to wash or shampoo the scalp once in a while to have healthy hair and scalp skin,” Dr. Bergfeld says.
From: https://health.clevelandclinic.org/does-dry-shampoo-actually-keep-your-hair-clean/
This Is How Dry Shampoo Works
How it works
Your scalp is covered with hair follicles. These follicles don’t just sprout hairs. They also produce sebum, the natural oil that softens your scalp and gives hair its texture.
Sebum serves an important purpose. It softens your hair and helps protect the skin underneath it. But when you’re working up a sweat, spending time outside, or even going about your day-to-day, oil and sweat from your scalp collect in your hair.
While a certain amount of oils on your head is normal, oil buildup gives your hair a greasy appearance.
Washing, blow-drying, and styling your hair on a daily basis can be time-consuming. Plus, it might not even be good for the health of your hair. That’s where dry shampoo comes in.
Dry shampoo uses alcohols or starch-based active ingredients to soak up the oils and sweat from your hair. Removing the oils from your hair makes it appear cleaner. Most dry shampoos also include a fragrance, which makes your hair smell fresh between washes.
Is it effective?
Depending on your hair texture, dry shampoo will likely make your hair look less oily. But don’t be fooled by the word “shampoo” in this product’s name. Dry shampoo isn’t meant for cleansing your hair.
Dry shampoos disguise dirt and grease on your scalp. They don’t work as a replacement for washing your hair. In fact, overusing dry shampoo can result in an itchy, dry scalp.
Greasy hair
Dry shampoo is most effective for hair that naturally holds a lot of oil. If you find that even a quick workout session or a humid commute leaves your hair looking oily, dry shampoo might come in handy for a quick fix.
Hair that gets greasy quickly still needs to be washed often to cleanse your scalp and prevent blocked pores.
Natural hair
If your hair is naturally on the drier, more textured side, you might need to buy a dry shampoo that’s made specifically for your hair type.
Keep in mind that if your hair is dark brown or black, dry shampoo might appear flaky when you spray it on your scalp. Purchasing a dry shampoo specifically made for darker, natural hair might solve this.
Curly hair
Dry shampoo can also work to freshen curly hair, but you might need to switch up the application process.
Curly hair shouldn’t be brushed or combed out once it’s dry and you’ve applied dry shampoo. Otherwise, your curls might look dry and frizzy instead of fresh and bouncy.
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How to use it
How you use dry shampoo may vary based on your:
hair type
texture
length
hair’s oiliness
Start with hair that’s dry and remove any pins, hair ties, or barrettes. Here’s the basic process, which you can modify if needed:
Hold the can of dry shampoo about 6 inches away from the crown of your head.
Spray a small amount directly into your roots. Don’t neglect the hair growth at the nape of your neck, right above your ears, and in the back of your head.
Massage the dry shampoo into your hair using your fingers.
If you’d like, use a blast of cool air from a blow dryer to give your hair some added volume and natural bounce as the shampoo dries on your scalp.
Drawbacks
There aren’t many drawbacks to using dry shampoo, as long as you use it in moderation. If you’re using dry shampoo once or twice a week to touch up your hair after a workout or keep your blowout looking fresh, you probably won’t experience any negative effects from use.
There are limits to what dry shampoo can do, though. Using dry shampoo for more than two days in a row can start to irritate and dry out your scalp. It can also clog the pores on your head, resulting in painful pimples or a rash.
Opinions are mixed on if you should use hot styling tools on hair that has dry shampoo on it.
Some people swear by applying a little dry shampoo to make hair easier to manage before using a curling iron or hair straightener. But dry shampoo can actually dry your hair out, making it vulnerable to heat damage.
Read More on https://www.healthline.com/health/how-does-dry-shampoo-work#best-products
How to Use Dry Shampoo
Dry shampoo is pretty wonderful. Typically made with a starch component, dry shampoo is used to eliminate and absorb sebum, the scalp's natural oil that makes hair look greasy after a day (or two, or three) of no washing. "The components of starch absorb the oils to give a grease-free appearance and feel," which is useful when prolonging your blowouts and keeping hair oil-free between washes, says Gio Bargallo, colorist at Rita Hazan in New York City. " It can also be used in hairstyling to create volume and body."
So yes, it's basically a miracle product — but only when it's used correctly. Whether you're using an aerosol spray, powder, or foam dry shampoo, there are some pretty common mistakes we all make that can lead to dandruff-like flakes, ashy roots, and dull and dry hair. If you know how to use dry shampoo correctly, though, it can save you so much time and energy spent hair styling. This is how to use dry shampoo the right way, according to the pros.
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If you have dark brown hair and use a traditional dry shampoo, you'll wind up with dull roots and an unflattering white cast to your hair. On the flip-side, if your hair is blonde and you pick a dark shade, you'll end up with discolored roots. Instead, pick a tone that matches your color most closely. Some tinted formulas can even double to camouflage gray roots in a pinch.
Shake it up.
Before even opening your dry shampoo, shake up the bottle to evenly distribute the formula. The starch in aerosol formulas can settle at the bottom between uses, and shaking it ensure that the formula is well-blended for best results.
Don't spray too close to your scalp.
On dry hair, "hold the dry shampoo four to six inches away from the head and spray directly at the roots," says Ardree Merriweather, Lead Educator at Drybar. You can spray up to 12 inches away from the roots, which allows the oil-zapping starch to properly exit and land evenly on greasy roots. When using a powder formula, sprinkle it near your scalp but avoid applying product directly to your part, which can make hair look chalky and prove difficult to remove.
Keep it moving.
"Do not spray continuously in one section," says Merriweather. If you do, you'll end up with a spot of product at the roots that's difficult to disperse. Instead, use a sweeping motion to cover roots in an even, thin layer of product. "Moving back and forth in a swaying motion [ensures] you don’t over-concentrate an area," says Bargallo.
Only apply dry shampoo where hair is greasiest.
Don't spray dry shampoo all over your head — just stick to the top couple inches. Chances are that the bottom of your hair isn't greasy, so applying an oil absorber all over can just make your hair stiff and lackluster. Instead, "identify the parts of your hair that are oily [by] sectioning the hair to expose the scalp and roots," says Bargallo.
Don't use too much product.
When your hair is greasy, a good dose of dry shampoo can make it look fresher, but apply too much and your hair will look dull and discolored. "Overusing dry shampoo is a common mistake that can make your hair dry, gritty, and stiff," says Merriweather. "To avoid these issues, it is best to use a small amount and massage it through the root." Start with a little spritz dry shampoo, then wait a few minutes, and then add more if you feel like your hair is still too greasy.
Read full article here: https://www.goodhousekeeping.com/beauty/hair/a33710/dry-shampoo-tips/
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