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Image: RichLegg/Getty ImagesWhether you’re adding some waves to straight hair or perfecting your natural curls, curling your hair is something nearly everyone has tried. It may seem like an easy task—grab a curling iron, wrap a section of hair, and you're done, right? Well, almost. It doesn’t need to be overly complex, but there are some common mistakes that can affect both your hair’s appearance and its health.
We asked Chicago-based hairstylist Rob Reyes to share insights on the most frequent curling blunders—and what to do to avoid them—for gorgeous, long-lasting curls.
1. Skipping Heat Protectant
Reyes points out that the most common mistake people make is failing to use a heat protectant. It's crucial to apply a heat protectant whenever using any hot styling tool, but it's especially important with a curling iron, where heat is applied directly to your hair (unlike a blow-dryer, where heat is more diffused). "There are many effective heat protectors that shield your hair from temperatures up to 450 degrees. Some even offer hold to keep your style looking fresh for longer," he explains. In other words, think of these products as styling products with added protection.
2. Turning Up the Heat Too High
Interestingly, you don’t need to set your curling iron to the maximum of 450 degrees. While many tools offer this as the highest setting, Reyes says it’s unnecessary and much too hot for most hair types. He recommends starting at 300 to 350 degrees and gradually increasing the temperature if your hair is thick or dense.
3. Curling Only One Way
Reyes suggests mixing up the curling directions for a more natural look—curling one section towards your face and the next away from it. However, if you’re aiming for a perfectly polished, vintage-style finish, he advises keeping all curls facing in the same direction (away from the face).
4. Keeping the Iron on Each Section for Too Long
There's no need to hold the curling iron on each section for an extended period of time; Reyes typically recommends about 10 seconds. Holding it longer can increase the risk of heat damage, leading to dry, brittle curls. (This is especially true if you’re already making other mistakes like skipping a heat protectant or cranking up the temperature too high.) Fun fact: While the heat helps form the curl, the shape actually sets as the curl cools. So, it’s crucial to let the curl cool completely before combing through it with your fingers or a comb.
5. Curling the Entire Length of Your Hair
Instead of curling the entire length of your hair, Reyes suggests leaving the last one to three inches of your strands uncurled. This not only creates a more relaxed, modern look, but it’s also better for the health of your hair. "The ends are typically the weakest and most prone to damage, so leaving them out helps keep them healthier in the long run," he explains.
6. Curling Every Day
If you have naturally curly hair, it's a good idea to occasionally use a curling iron just to touch up your curls. "Let your hair take a break. Wash it, let it air-dry, and embrace your natural texture when you can. Then, use the curling iron to refine your curls on the second or third day, depending on how long you can go between washes," says Reyes. "Relying on a curling iron to keep your hair looking polished is a losing game, leading to dry, dehydrated strands."
