Protecting Your Hair Health: The Truth About Hot vs. Cold Hair Dryer Settings


When you reach for your hair dryer, do you opt for the hot or cold setting? Believe it or not, the way you use your hair dryer can significantly impact the health of your hair. In this article, we’ll explore the effects of hot and cold hair dryer settings on your hair.


The Potential Damage of Hot Hair Dryer Settings

While hot hair dryer settings can quickly dry your hair, the high heat can potentially cause damage. Prolonged exposure to high temperatures, especially at close range, can strip your hair of its moisture, leading to dryness and frizziness. Moreover, excessive heat can denature the proteins in your hair, weakening its structure and resilience.

Cold Hair Dryer Settings: A Gentle Approach

On the other hand, using the cold setting on your hair dryer is a gentler method, even though it may take longer to dry your hair. Cold air not only dries the surface of your hair but also helps prevent heat from penetrating the hair shaft. Additionally, using cold air can help seal the hair cuticles, preserving your hair’s shine and body.

The Correct Way to Use Your Hair Dryer

The key to a hair-friendly drying technique is to combine both hot and cold settings effectively. Start by drying your hair with the hot setting until it’s about 70% dry. During this process, keep the hair dryer at least 10 cm (4 inches) away from your hair and keep your hair moving to avoid concentrating heat on one spot. Once your hair is about 70% dry, switch to the cold setting. Using cold air will help seal the hair cuticles and prevent heat damage.


The choice between hot and cold hair dryer settings can greatly influence the health of your hair. While hot settings can dry your hair quickly, they also pose the risk of heat damage. Cold settings, although slower, are gentler on your hair. The best approach is to use a combination of hot and cold settings to achieve optimal results. By using your hair dryer correctly, you can help protect and maintain the health of your hair.