high level of heat might cause damage to your hair so bear in mind not to expose it to strong heat settings for too long or too frequently.
in addition, avoid using high temperatures settings on your hair styling tools if your hair is damaged. it might take longer to curl but it's much safer!
we strongly recommend always going for the curling irons with several levels of temperature control. for example, not every travel curling iron has heat control so get one that does if you travel often and want perfect curls wherever you are.
* materials - several materials most often used in the curling iron barrel are all safe for 