When should you replace a straightening iron for your hair, how long does it last?

You should replace it when the acrylic starts to wear off the plates and your hair starts to catch when you straighten it. I would look in stores like Sallys Beauty Supplies. They have REALLY good choices...

When should you replace a straightening iron for your hair, how long does it last?

you should try the chi website or ask your local salon

When should you replace a straightening iron for your hair, how long does it last?

The Old can come back to the new......once a while you can take a Brillo pad and scrub it....it will get off all the dull stuff off.

Best wishes and good luck

When should you replace a straightening iron for your hair, how long does it last?

whenever it stops working im on my 4th or 5th straightening iron in the past 2years.