In recent years, heating tools have become a great obsession for graceful looks. Besides great hair locks, the high temperature of devices is the leading cause of weak hairs which always invite a second thought before using them. One of the biggest fears among our generation is to decide what temperature should hair straightener be.

A hair straightener with low temperature might be your desirable strategy to style your hair. However, this is not working for everyone. Certain hair types and the strength of your strands may require advanced temperature. Contrary to this, high temperatures can fry your ends rather than your hair to lie flat in case of fragile hair. You can avoid both cases if you take some additional care when applying heat to your hair.

The ideal heat setting is too complicated to conclude as it depends on numerous factors, including the strength of hair, hair type, how long and thick hair you have, and lastly, your hair straighteners. 

Below we discussed all details related to heat settings of certain hair types. Now let’s get started with our recommended heat settings. 

What Temp Should Hair Straighteners Be?

It is essential to understand those heat settings may vary with your hair type but always begin with the lowest setting and gradually increase the temperature. Also, make sure your hair stands for high temperature. Always wash your hair before applying heat. You can use shampoo and conditioners before using hair straighteners. To shed more light on straightener temperature, let’s dive into some usual heat settings for common hair types. 

Heat Setting for curly hair

If you wonder how to straighten curly without damaging it, this heat setting is the perfect pick for your styling tool. Thick and coarse curls are more prone to damage and breakage as they are naturally dry than uncurl hairs. With curly hairs, straightening needs more effort, care, and some extra degrees of temperature to transform your hair.

You can use a hair straightener up to 400 degrees for long and thick curly hair to get smooth straight hairs. If the result is still not up to the mark, you can raise the little bit of temperature that makes your hair look straight.

Heat Setting for bleached hair

Bleaching weakens the natural strength of hair. It also damages your hair, similar to heating. Moreover, the shades of your color are also at risk of fading away. It would help if you were extra careful about selecting the appropriate temperature of the hair straightener.

If your colored hair needs straightening, adjust the temperature of your heating tool to the lowest setting between 300 and 350 degrees. With custom temperature, also do not forget to pay attention to the feeling of burning sensation. If you feel so, decrease the temperature. Continue heating to the former temperature unless it gives you the desired shape.

Hair straightener temperature setting  for fine hair

Having fine hair is not promising safe and healthy hair. It would be best to handle them with extreme care to ensure healthy hair. It would be best to avoid heating equipment with straight strands with unnoticeable curves and waves. Fine hair is more prone to breakage if heating is applied.

However, suppose you consult with your hairstylist; you look for apparent straight hair locks for a party and event. In that case, we recommend that our readers keep the temperature as low as possible. With minimum heating, you will not be at risk of losing your hair on the floor in the future. Our recommendation is below 250 degrees, but again it varies with hair type.

Tips for safely straightening hair without damage

If you use these heat settings, you might substantially minimize the risk of damaging your hair. But following our below tips can help you to straighten hair without damage. 

1. Use a heat protectant

Over the top, the first recommendation is a heat protectant. Using heat protectants can be highly beneficial in keeping hair healthy. Before applying any heating tools, always remember to keep your hair protected. Leave a heat protectant on your hair for a few minutes before applying heat. Once your hair gets dry, you can begin with your hair straightening.

2. Choose the right equipment.

Using the right straightener for your hair is also essential. I always prefer those products that allow you to adjust the temperature manually. It is also possible to lock the temperature of most hair straighteners so that you do not have to worry about temperature changes while straightening your hair. As well, make sure that the heat from your straightener is distributed evenly throughout your hair. It will help if you look for hair straighteners with these features to enjoy the heating tools at your ease.

3. Never forget to clean your hair straightener.

Unclean hair straighteners are not safe for your hair. Clean your hair straightener every time before use. The leftover residue can cause buildup on your scalp if you use it without cleaning. It is essential to keep your safety in mind.

If you intend to clean them, make sure they are unplugged and cool enough so that you can touch them. Use a soft cloth to clean the plates gently.


I hope you are now about what temperature your hair straightener be. Heat can wreak havoc on your hair if not managed. If you are using a hair straightener daily, give it a break. Limit it to using once a week or more, ideally once a month. In addition to appropriate heat settings, heat protectants can also save your hair from excessive damage.

We also hope to give you an exact number for your styling device, but it is impossible. Before deciding on the heat setting, assessing your hair type is crucial. Your hairstylist could better guide you by checking your hair and then let you know what temp hair straighteners should be.

By following our guidelines and checking which heat setting is most suitable for your hair, you can protect it from excessive heat damage.