Here's Why You Should Never Heat Your Flat Iron All the Way Up
My flat iron at home lets me heat it up to all kinds of ultrahot temperatures, but according to trichologist Iain Sallis, you should never heat an iron up above 180 degrees Celsius (or 356 degrees Fahrenheit). Beyond that you can potentially damage your hair's cuticle. Cuticle damage roughens your hair, frizzes it out, and exposes the hair shaft's internal structure, leading to split ends and Read more






