top of page

Heat Damaged Hair 101: The Cause, Fixes, and Prevention

We all love to have luscious, beautiful locks, but our quest for perfect hair often leads us to use heat-styling tools. This heat exposure takes a toll on our hair, causing it to become dry, brittle, and prone to breakage, often leading to the challenge of relaxing heat damaged hair.

Let’s dive into the causes of heat-damaged hair, effective treatments to restore its health, and prevention tips to keep your hair looking fabulous without compromising its integrity.

Causes of Heat-Damaged Hair

1. Excessive Heat Exposure

The primary cause of heat-damaged hair is excessive heat-styling tools such as flat irons, curling irons, and blow dryers. Applying high heat to your hair too often can weaken the hair shaft and strip the cuticles, leading to hair damage.

2. High Heat Setting

Using too high a heat setting on your styling hot tools can cause the hair's proteins to break down, leaving your strands weak and vulnerable to damage.

3. Improper technique

Even if you don't use heat-styling tools daily, misusing them can cause significant damage. For example, pulling the flat iron through your hair strands too fast or clamping it too tightly can lead to breakage.

Treatments for Heat Damaged Hair

1. Deep Conditioning

One of the best ways to treat heat-damaged hair is by using a deep conditioning treatment. These treatments are designed to penetrate the hair shaft and provide intense moisture and nourishment to help restore your hair's health.

Find a conditioner with proteins like keratin or silk amino acids to repair and strengthen your hair.

2. Hair Masks

Hair masks are another excellent treatment option for repairing heat-damaged hair. Look for masks containing natural oils, such as argan, avocado, or coconut oil, known for their moisturizing and nourishing properties.

3. Protein Treatments

Protein treatments can help strengthen hair weakened by heat exposure. These treatments can be found in various forms, including sprays, creams, and serums.

Be sure to follow the product's instructions carefully, as overusing protein treatments can cause your hair to become stiff and brittle.

4. Trim-Damaged Ends

Regular trims can help to remove split ends and prevent further damage. If your hair is severely heat-damaged, consider cutting off the most damaged sections to give your hair a fresh start.

Heat Damage Prevention Tips

1. Use Heat Protectants

Always use a heat protectant spray or serum before using heat-styling tools. These products create a barrier on the hair shaft, protecting it from high temperatures and reducing the risk of damage.

2. Lower Heat Settings

Instead of using the highest heat setting on your styling tools, opt for a lower temperature to achieve your desired style without causing as much damage. A good rule of thumb is to keep the temperature below 350°F (180°C)

3. Limit Heat-Styling Frequency

Avoid using heat-styling tools once or twice a week. On the days when you don't use heat, experiment with heatless styling techniques, such as braids, twists, or buns, to give your hair a break.

4. Invest in Quality Tools

High-quality styling tools often have more precise temperature controls and better heat distribution, reducing the risk of damage. Look for tools with ceramic or tourmaline plates, which release negative ions to help protect the hair cuticle.


Heat-damaged hair can be frustrating, but with the right treatments and prevention techniques, you can learn how to fix heat damaged hair and restore your hair's health and maintain beautiful, damage-free locks. Remember to be gentle with your hair, use heat-styling tools sparingly, and invest in treatments that nourish and strengthen your strands. With a little TLC, your hair will be back to its former glory in no time!

Salon Dior is an organic hair salon that combines industry-leading expertise and organic products of the highest quality in Whitinsville, MA. If you’re looking for the best hair care services, we can help you! Contact us today to learn more and get started.


bottom of page