How To Curl Your Hair With A Straightener.

1
Dry your hair completely. Soaking wet hair won't curl at all, and even damp hair won't curl properly.
If you air-dry your hair first, use mousse. The extra volume will prevent your hair from looking too flat when you curl it.

2
Use a thin, flat iron. Your straightener should be about 2.5 to 5 centimeters wide. Don't use flat, large curling irons hair straightener curlers to curl your hair.
Heat the iron to the lowest temperature needed for your hair type. If you have fine, thin hair, it's best to heat it to the lower end of the dial. If your hair is coarse or curly, turn the temperature up higher.

3
Use a heat protectant spray. This will create a protective barrier between your hair and the iron, preventing your hair from sizzling or burning. Spray it all over your hair and comb it through. (If you don't have a comb, just wrap your hair around your fingers to distribute the protectant evenly.)

4
Section your hair (optional). If your hair is really thick, you're better off working in sections rather than trying to curl all of your hair at once.
Start at the bottom of your scalp, near your ears and neck.
When you curl the first layer of hair, let down as much hair as you can and clip the rest up.
Once that layer is done, remove the clip and let down another layer of hair. Then clip up the hair you're not working on yet.
Work in layers until you're finished.

5
Spray each section with hairspray immediately before curling (optional). If you want your curls to hold their shape properly, spray a little hairspray on each section before you curl it.

6
Grab the section of hair you want to curl. How much hair you use for each curl is up to you, but there are a few points to keep in mind.
Smaller sections will result in small, tight curls, while larger sections will create big, loose curls. If you want your hair to look more like small curls, the sections shouldn't be less than 5 centimeters wide.
Larger sections will create bouncier, looser curls that look more natural. For big curls, the sections should be wider than 5 centimeters.
Mix it up. The curls don't all have to be the same size. For example, you can create large curls at the base of your hair, and then create more defined, clustered curls around your face, as well as smaller, cuter curls. Experiment with different techniques for the best results.

7
Alternate between loose curls and waves. Loose curls and waves are two different ways to curl your hair using a flat iron. Try both and see which you prefer.
Loose curls: Start halfway down the length of your hair, close the iron, rotate it half a turn, and then rotate it back. You can now use the iron to create a U-shape with your hair. Keep the iron at the half-turn angle and move it slowly down the hair shaft to the ends. The faster you move the iron, the less defined the curl or wave will be. If you prefer large, soft curls, rotate the iron slowly.
Waves: Start very close to the scalp (but not so close that you accidentally burn your hair), close the iron, and rotate it half a turn (the same as for loose curls). Slowly rotate the iron all the way to the ends. Again, the slower you rotate the iron, the tighter the wave; the faster you rotate the iron, the softer the wave.

8
Finishing touches. Once you've finished curling your hair, you can leave it as is, or add some finishing touches to achieve your desired look.
Loosen the curls: Gently twist your hair around your fingers and tousle it. This will make your hair look fuller, more relaxed, and more natural.
Make the curls last longer: Lightly spray your curls with hairspray to keep them smooth and defined all day. If you live in a humid environment, consider using a humidity-resistant hairspray.

9
The end.