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Got Frizzy Hair? Here’s How to Flat Iron Your Locks

Tired of battling unruly locks every day? We’re here to help you tame your mane with a flat iron and achieve sleek, smooth hair that you can confidently sport all day. Here’s how to flat-iron frizzy hair—and do it efficiently and safely for your locks. 

The Pre-Game: Prep Like a Pro

Focus on preparing your hair before reaching for your favourite flat iron or hair straightener. This step is crucial for achieving that glossy, magazine-worthy look. Here’s how to prep like a pro:

  • Start with a Clean Slate: Wash your hair with a smoothing shampoo and conditioner. This duo will help lay the foundation for frizz-free tresses.

  • Dry Your Hair Gently: Ditch the rough towel rub! Instead, gently squeeze out excess water with a microfibre towel. Your hair will thank you later. Read our blog ‘What’s the Healthiest Way to Dry Your Hair?’ for more helpful tips.

  • Detangle the Strands: Use a wide-tooth comb; start from the ends and work your way up. Do you have extra stubborn knots? Consider using a detangling spray to deal with them. Patience is key—no yanking allowed!

The Main Event: Flat Iron Finesse

Now that your hair is prepped and ready, it’s time to get your flat iron working. But wait! Let’s ensure you have the right tools and techniques to tame frizzy hair. 

  • Choose Your Straightener Wisely: Do you have thick, frizzy hair? It’s best to use a flat iron or hair straightener with wide ceramic plates. They distribute heat evenly, perfect for taming those rebellious strands.

  • Heat Protection is Non-Negotiable: We cannot stress this enough—always use a heat protectant. Think of it like sunscreen for your hair. Spritz it on generously before you start straightening.

  • Section and Conquer: How to exactly straighten your hair without frizz? Split your hair into manageable sections. Then, begin with the bottom layers and work your way up. That way, every strand gets the attention it deserves.

  • Learn the Right Technique: Here’s the secret sauce: start close to the roots and glide the flat iron down slowly and steadily. You don’t need to clamp down like you’re holding on for dear life. Gentle pressure is all you need.

  • Mind the Temperature: If you have thick, frizzy, and unruly hair, you might need to crank up the heat a bit. Aim for around 380-410°F (193-210°C). But remember, if you hear sizzling, that’s your cue to turn it down! To avoid all that, learn the optimal temperature through our quick guide to heat styling.

The Finishing Touches: Seal the Deal

Taming the frizz is half the battle; the other half is to keep your locks smooth for the rest of the day. So, here’s the last part of our guide on how to flat iron natural hair without frizz. These final steps ensure your sleek style lasts longer than your morning coffee:

  • Cool It Down: Once you’ve finished a section of your hair, let it cool before touching it. Doing so helps set the style.

  • Skip Water-Based Hair Moisturisers: Avoid water-based moisturisers and steam, as they can cause your hair to revert.

  • Use Hair Serum: A few drops of hair serum can work wonders. Focus on the ends and mid-lengths to add shine and tame any remaining frizz.

  • Hands Off: Resist the urge to run your fingers through your hair constantly. The natural oils from your hands can bring back the frizz you just banished.

Other Tips to Tame Your Frizz 

Knowing how to straighten your frizzy hair at home with a hair straightener or flat iron is good, but there are more things you can do to tame your frizz. Here are some tips:

  • Switch to a silk pillowcase. It reduces friction while you sleep, keeping frizzy hair at bay.

  • If you live in a humid climate, consider a keratin treatment for longer-lasting smoothness and stronger hair.

  • Don’t wash your hair every day. Embrace dry shampoo to extend the life of your straight style.

  • Deep condition your hair regularly to restore moisture.

Conquer That Frizz with a Flat Iron

Practice makes perfect. So, don’t be discouraged if your first attempt doesn’t look like you just stepped out of a salon. With time and patience, you’ll be a flat iron pro in no time. Now go forth and conquer that frizz!


How often can I flat iron my frizzy hair without causing damage?

It’s best to limit flat ironing to once or twice a week. Overuse of heat-styling tools can lead to dryness, breakage, and long-term damage. Always use a heat protectant and follow a proper hair care routine (don’t forget to prep!) to minimise damage.

What type of flat iron is best for frizzy hair?

A flat iron with ceramic plates is ideal. Ceramic irons are gentler and help reduce frizz by distributing heat evenly.

Should I use a heat protectant before flat ironing my hair?

Using a heat protectant is a must to shield your hair from the high temperatures of a flat iron. It helps prevent heat damage, breakage, and frizz.

Why does my hair still look frizzy after I straighten it?

If your hair looks frizzy after straightening, it could be due to inadequate heat protectant application or using too high a heat setting. Other culprits include not drying your hair completely before straightening, using a low-quality flat iron, and failing to seal the strands with a finishing product like a serum or oil.

Can I use oils before flat ironing my hair?

Generally, it isn’t recommended to use oils before flat ironing, as they can fry your hair under high heat. Instead, apply a heat protectant spray. Just use the oil or serum after straightening your hair.

Can I flat iron my hair if it’s already chemically treated?

Yes. You can flat iron chemically treated hair, but you need to be extra cautious. Use a high-quality heat protectant, avoid high heat settings, and ensure your hair is well-moisturised and conditioned to shield it from further damage.

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