
Heat styling and blonde hair
Blow dryers, flat irons, and heat protectant labels, per the AAD.
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Heat and hair
The AAD says that no matter your hair type, excessive heat can cause damage. It says to limit blow drying and the use of tools like flat or curling irons.
Lower heat
The AAD says to use low or medium heat settings, to let your hair air dry when possible, and to limit the time a hot comb or curling iron touches your hair.
Less frequently
The AAD suggests using these tools less frequently, "aiming for once a week," or less.
A product for heat
The AAD says to use a product to protect your hair from the heat. A dermatologist quoted by the AAD says some leave-in conditioners help protect hair from styling tools that use heat, and that "if the product does this, it will be indicated on the packaging."
Read the label
The same dermatologist says you may see the words "heat protectant" on the container. We do not check any product's claim.
Blonde and bleached hair
We have no source that sets different heat rules for blonde hair. The AAD heat tips apply to every hair type.

FAQ
General information, not medical advice. Follow the label. We suggest testing a new hair product on a small patch of skin first. Keep it out of your eyes, and stop use if irritation occurs. For hair dye, the FDA says to do a patch test every time and never to dye your eyebrows or eyelashes. See a doctor or dermatologist about scalp problems or hair loss.
Next: leave-in conditioner
Who it helps, how to apply.


