How to Keep Hair from Curling with Humidity

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Regardless of your hair type, humid weather can cause your hair to curl and frizz. It is important to start by making sure that your hair is well-moisturized, such as by using a deep conditioner and applying an anti-frizz serum. Then, you can use special techniques to dry your hair completely and seal the hair cuticle. If these strategies don’t work, then there are a few other things you can try to keep your hair straight and frizz-free.

Part 1
Part 1 of 3:

Moisturizing Your Hair to Prevent Curling

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  1. Dry hair, especially curly hair, needs lots of moisture. This is because curly hair tends to be on the drier end of the spectrum compared to straight hair. If you have curly hair or textured hair, moisturizing is the key to preventing frizz when it's humid. [1]
    • Choose a shampoo and conditioner that is made for curly hair. Some shampoos and conditioners even offer protection against humidity.
    • After shampooing and rinsing your hair, towel dry the excess water from your hair and then apply your conditioner from roots to ends. If you hair is thin, then you may want to apply conditioner from the middle of your hair to the ends and skip the roots. If your hair is thick, then apply the conditioner all over.
    • Then, let the conditioner sit on your hair for a few minutes before rinsing it out.
  2. If you have thick textured hair or really curly hair, then it might help to deep condition your hair. Deep conditioning helps to lock in more moisture than regular conditioning and this may help to prevent your hair from curling up in the humidity. [2]
    • To deep condition your hair, apply the deep conditioner to your hair and then let it sit for about 5-10 minutes (following the manufacturer's instructions). You can do other things in the shower while you wait, such as shaving and washing your face. If you are just washing your hair, then put a plastic cap over your hair and go about your normal routine until it is time to rinse.
    • You can also warm up your conditioner slightly before you use it. This may help your hair to absorb the moisture better. To heat up your conditioner, place the bottle in a bowl of very warm water and let it sit for about 10 minutes. This should warm up the conditioner and make it easier for your hair to absorb. [3]
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  3. Don’t ruffle the cuticle by drying your hair with a towel. [4] Hair cuticles have lots of ridges. When you rub your hair with a towel, it raises the edges of the hair cuticle, which frizzes your hair. Instead of rubbing, press and squeeze so the towel absorbs the water.
    • Use your hands first to squeeze out as much of the water from your hair as possible.
    • Use a microfiber towel or an old t-shirt to absorb the excess water. [5]
  4. Anti-frizz serums and creams can help to lock in moisture when you apply it to damp hair. They also help control flyaways because the oils in the products coat your hair, creating a barrier between your hair and the humid air.
    • Use a serum made with natural oils such as a Moroccan oil. Your hair absorbs the products made with natural oils better; they don’t just sit on top of your hair like products made with synthetic oils. [6]
    • If you have thick hair, dry hair or color-treated hair, then a cream may work better. [7]
    • If your hair is thinner, then apply it from the mid-length of your hair to the ends. [8] If you have thicker hair, then you can apply the cream or serum all over, but still focus on the ends of your hair.
    • Straightening balms can also help to straighten curly hair and prevent it from curling up in humid weather. [9] Look for a straightening balm or cream that offers some protection from the humidity as well.
    • In general, thicker creams will work better. They'll help weigh your hair down and protect it from the humidity for longer throughout the day. [10]
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Part 2
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Drying Your Hair to Prevent Frizzy Hair

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  1. Don’t immediately blast your hair with a blow dryer. Allow it to air dry at least partially. Allowing your hair to dry slowly and naturally keeps your hair in place instead of blowing it around, which can cause frizziness. If you blow dry without smoothing it out, it also can make your hair look puffy.
    • If you want to blow dry, then let your hair partially dry naturally first. Or, you can let your hair air dry completely.
  2. If you are straightening your hair after letting it air dry, use the blow drier and a brush to seal and smooth the cuticle. [11] This smooths the cuticle down, while the heat from the blow dryer seals in the moisture and locks it in. If moisture is sealed inside your hair cuticle, it is less likely to attract the moisture in the air and become frizzy. [12]
    • Blow dry your hair in a downward motion to smooth it out as you go. Brush your hair and move the blow dryer along with the brush in a downward motion.
    • Opt for a boar bristle brush if your hair is fine- to normal-texutred. Boar bristle brushes are made from keratin, which is the same material that your hair is made from.
    • If your hair has a coarse or thick texture, you may benefit from using a Denman brush.
    • While you are blow drying, pay attention to the crown where frizz is really noticeable. If you don’t smooth out your roots, you’ll look like you have a halo of frizz around your head, and it can make your hair look really frizzy. [13] Make sure your hold your hair taught with the brush as your blow dry the crown of your head.
  3. It is important that your hair is completely dry if you’re entering a humid environment. If your hair is damp, it will continue to absorb moisture from the surrounding environment, making it appear puffy and frizzy. So, before you go outside in humid weather, make sure that your hair is completely dry. Like the serum, dry hair acts as a barrier between your hair and outside moisture. Even if you air dry, your hair should still be completely dry before leaving the house. [14]
    • Use a cool shot of air on each section of hair that you straighten. If your blow dryer has this button it will blast some cool air on your hair. This closes the cuticle, so it seals in the moisture on your hair.
  4. Flat ironing your hair before you go out into humid weather may increase the chance that it will curl or frizz up. This is because flat ironing can dry out your hair and then it will try to absorb moisture from the environment when you go outside. To avoid this, you may want to consider skipping the flat iron on humid days. [15]
    • If you do not want to skip the flat iron, then make sure that you use a heat protectant product, such as a straightening balm or cream.
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Part 3
Part 3 of 3:

Using Other Techniques to Keep Out the Frizz

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  1. Using an anti-frizz hair spray may help to lock in moisture and prevent frizz. Spray some on your hair after you have finished styling it.
    • If you are going to blow dry or flat iron your hair, then spray your hair after you are finished.
    • Choose a product that is in an aerosol can. The non-aerosol kind may cause your hair t frizz more easily. [16]
  2. Brushing your hair when the weather is humid may cause it to frizz more easily. To prevent your hair from frizzing, try using a wide toothed comb to style it and touch it up as needed.
    • If possible, don’t touch your style at all while you are out in humid weather.
  3. If all else fails, braid it, twist it or put it up in a bun. Securing your hair away in a protective style helps to protect it from the humid air. [17] Just in case the humidity does affect your hair, you don’t have to worry about frizz or looking like a “poof ball.” It will be contained. Plus, when you take your hair down at the end of the night, you’ll have a soft wave instead of loads of frizz. [18]
    • Some braids to try include fishtail braids , French braids , cornrows or the common three-strand braid . Opt for French braids or cornrows for longer lasting styles.
    • Other god options for wearing your hair on humid days include buns , top knots , or chignons .
    • If you just have to be outside for a short while until you reach your destination, then you can try putting half of your hair up with hair clips. You could also try wearing a hat or even try wrapping your hair up in a scarf.
  4. Straighten your hair . Using a straightening treatment such as a Brazilian straightening technique, relaxer, or keratin treatment may help to alter the texture and curl-pattern of your hair. Although all hair types and textures are prone to humidity, changing the texture of your hair permanently or semi-permanently might help to eliminate the degree of frizz on humid days even if it does not eliminate it completely. [19]
    • However, keep in mind that there’s no guarantee that a straightening treatment will eliminate frizz completely. Moisture makes the hair cuticle bend and curl as it tries to absorb the moisture from the air. This is the case even if your hair has been straightened.
    • Hair that is more fragile and porous, such as curly, wavy, kinky-curly hair and color-treated hair, is especially prone to humidity even if you have straightened it.
    • Generally, drier hair textures are affected the most by humidity because they require the most moisture and your hair will try to get it anywhere it can, even from the air.
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Expert Q&A

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  • Question
    Will straightening my hair with a flat iron be enough to prevent it from curling in high humidity?
    Shun Pittman
    Master Cosmetologist, Global Salon Educator & Author
    Shun Pittman is a Master Cosmetologist, Author, Owner, and Founder of Corps d’Elite Salon and Corps d’Elite Beauty. With over 25 years of international experience, she is dedicated to and specializes in providing luxury salon services to all hair types and textures and every skin tone and shade. Her services include hair conditioning treatments, cutting, coloring, styling, extensions, and makeup application. Shun has experience working with, coaching, training, and mentoring beauty professionals from multiple companies including L'Oréal, Wella, Matrix, Paul Mitchell, Redken, Big Sexy Hair, and Toni & Guy. She is also a host for national and local media outlets and her work has been featured in The Washingtonian, The Cheddar Network, and WJLA Good Morning Washington's Beauty and Fashion Police segments. Shun is the author of “50 Things Your Hairdresser Wants YOU to Know (and a few things we don’t...)".
    Shun Pittman
    Master Cosmetologist, Global Salon Educator & Author
    Expert Answer
    Unfortunately, thermal styling tools like a flat iron just aren't going to able to defy the humidity. Chemically straightening your hair would be more effective.
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  • Question
    What products can I use in my hair to prevent it from curling?
    Shun Pittman
    Master Cosmetologist, Global Salon Educator & Author
    Shun Pittman is a Master Cosmetologist, Author, Owner, and Founder of Corps d’Elite Salon and Corps d’Elite Beauty. With over 25 years of international experience, she is dedicated to and specializes in providing luxury salon services to all hair types and textures and every skin tone and shade. Her services include hair conditioning treatments, cutting, coloring, styling, extensions, and makeup application. Shun has experience working with, coaching, training, and mentoring beauty professionals from multiple companies including L'Oréal, Wella, Matrix, Paul Mitchell, Redken, Big Sexy Hair, and Toni & Guy. She is also a host for national and local media outlets and her work has been featured in The Washingtonian, The Cheddar Network, and WJLA Good Morning Washington's Beauty and Fashion Police segments. Shun is the author of “50 Things Your Hairdresser Wants YOU to Know (and a few things we don’t...)".
    Shun Pittman
    Master Cosmetologist, Global Salon Educator & Author
    Expert Answer
    Use heavy styling products. They'll weigh down your hair and add an extra layer of protection from the humidity.
    Thanks! We're glad this was helpful.
    Thank you for your feedback.
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  • Question
    Can I use rubber bands while I sleep to reduce frizzy hair?
    Community Answer
    Putting your hair into a bun or braids is a good idea, but plain old rubber bands are very damaging to hair, especially curly hair. Consider using hair ties (the fabric covered kind) instead. Also, try getting a satin pillow case, or a cotton pillow case with a very high thread count. The smoother the fabric is, the less it will snag on your hair and cause frizz.
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      Tips

      • Keep a few hair ties handy in case you're out and about and your hair is noticeably starting to frizz so you can tie it up for example braiding your hair.
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      • Invest in good hair dryer and a decent boar brush if you plan on straightening your hair often. Good tools can make all the difference.
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      • Read product labels to make sure you purchase the right products for your hair.
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      References

      1. ↑ https://www.cosmopolitan.com/style-beauty/beauty/how-to/a24487/how-to-deal-with-frizz-when-its-humid-out/
      2. ↑ https://www.thehealthsite.com/beauty/manage-curly-dry-hair-with-these-home-remedies-and-tips-93436/
      3. ↑ https://www.naturallycurly.com/curlreading/kinky-hair-type-4a/the-dos-and-donts-of-deep-conditioning/
      4. ↑ https://www.cosmopolitan.com/style-beauty/beauty/how-to/a24487/how-to-deal-with-frizz-when-its-humid-out/
      5. ↑ https://www.naturallycurly.com/curlreading/wavy-hair-type-2/microfiber-the-miracle-worker/
      6. ↑ https://www.theguardian.com/fashion/2015/jul/16/bad-hair-day-how-to-avoid-humidity-frizz
      7. ↑ https://fashionista.com/2013/07/expert-tips-for-fighting-humidity-frizz#3
      8. ↑ https://www.cosmopolitan.com/style-beauty/beauty/how-to/a24487/how-to-deal-with-frizz-when-its-humid-out/
      9. ↑ https://www.harpersbazaar.com/uk/beauty/hair/news/g37077/how-to-protect-your-hair-from-humidity/
      1. ↑ Shun Pittman. Master Cosmetologist, Global Salon Educator & Author. Expert Interview. 11 May 2021.
      2. ↑ https://www.cosmopolitan.com/style-beauty/beauty/how-to/a24487/how-to-deal-with-frizz-when-its-humid-out/
      3. ↑ https://www.huffingtonpost.com/2013/01/15/hair-blow-drying-tips_n_2474427.html
      4. ↑ https://www.theguardian.com/fashion/2015/jul/16/bad-hair-day-how-to-avoid-humidity-frizz
      5. ↑ https://www.naturalhairrules.com/disadvantage-of-being-natural-ii-frizz/
      6. ↑ https://www.pocampo.com/blogs/all/17882616-frizzy-hair-tips-for-humid-summer-days#
      7. ↑ https://www.cosmopolitan.com/style-beauty/beauty/how-to/a24487/how-to-deal-with-frizz-when-its-humid-out/
      8. ↑ Shun Pittman. Master Cosmetologist, Global Salon Educator & Author. Expert Interview. 11 May 2021.
      9. ↑ https://www.theguardian.com/fashion/2015/jul/16/bad-hair-day-how-to-avoid-humidity-frizz
      10. ↑ Shun Pittman. Master Cosmetologist, Global Salon Educator & Author. Expert Interview. 11 May 2021.
      11. Videos provided by PatryJordan

      About This Article

      Article Summary X

      To keep your hair from curling with humidity, leave your conditioner in for 5-10 minutes when you shower, which will help your hair absorb more moisture. When you get out of the shower, squeeze as much water as you can out of your hair instead of drying it with a towel, since this can make it frizzy. Let your hair air dry, if you can. Or, if you need to blow dry your hair, let it air dry for a while first, which will keep it straighter. On humid days, make sure you dry your hair completely before going out to help prevent it from curling. You can also buy shampoo and conditioner made for curly hair, which helps to moisturize your hair and prevent it from curling. For more tips, including how to stop your hair from curling after using straighteners, read on!

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