Flat Iron Straightening & Static Hair

A: Static hair after flat ironing is preventable with the right approach. The static buildup happens because the high heat from your flat iron strips moisture from your hair while creating friction. This friction produces an electrical charge that forces individual hairs to push away from each other and cling to nearby surfaces.
After the heat protectant has dried, carefully brush through your hair using a wide-tooth comb made of wood or carbon fiber to get rid of any knots without adding more friction. Avoid using standard plastic combs because plastic creates more static electricity. Switching to wood or carbon fiber makes a noticeable difference. Work your way through until your hair feels smooth and ready to style.
The heat protectant leaves a coating around each hair strand. This not only prevents static buildup but also protects your hair from heat damage and helps your hair stay straightened longer.
When you're ready to straighten, go ahead and flat iron it using your usual routine. You'll notice that your hair glides more smoothly through the flat iron’s plates and maintains its sleek appearance without annoying flyaways and static hair.

If you need a quick fix or want an alternative method, here are a few other options:
• Anti-Static Sprays for Hair: Look for anti-static sprays made specifically for hair. These products tame flyaways without harsh chemicals or drying alcohols.
• Laundry Anti-Static Spray: While laundry anti-static sprays eliminate static, they contain chemicals designed for fabrics, not human skin. You should never spray these products directly onto your hair or scalp. Instead, spray a tiny amount onto your hairbrush and comb it through your hair so only a minimal amount transfers over to neutralize the electric charge.
• Dryer Sheets: Take a fresh, unused dryer sheet and gently run it over the surface of your straightened hair. The anti-static agents in the dryer sheet will transfer to your hair and help control static buildup. This is a handy trick for fixing small problem spots or for touch-ups throughout the day when you notice static starting to return.
• Hydration: Static thrives on dry hair. Incorporating a deep conditioner, leave-in cream, or a drop of lightweight hair oil (like argan oil) into your damp hair before blow-drying adds the moisture needed to keep static at bay.
If static hair is a constant issue for you, it might be worth buying an ionic flat iron if you do not own one yet. These specialized styling tools release negative ions that help break up water droplets and cancel out the positive electrical charges that cause static electricity to form.
©Hairfinder.com
See also:
How to get rid of static hair
Polyester or polyamide clothes and static hair
How often you can use a flat iron to straighten your hair